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[TECHNIQUE] Animal Models of Hepatitis C Virus Infection

Hepatitis C virus (HCV) is an important and underreported infectious disease, causing chronic infection in ~71 million people worldwide. The limited host range of HCV, which robustly infects only humans and chimpanzees, has made studying this virus in vivo challenging and hampered the development of a desperately needed vaccine. The restrictions and ethical concerns surrounding biomedical research in chimpanzees has made the search for an animal model all the more important. In this review, we discuss different approaches that are being pursued toward creating small animal models for HCV infection. Although efforts to use a nonhuman primate species besides chimpanzees have proven challenging, important advances have been achieved in a variety of humanized mouse models. However, such models still fall short of the overarching goal to have an immunocompetent, inheritably susceptible in vivo platform in which the immunopathology of HCV could be studied and putative vaccines development. Alternatives to overcome this include virus adaptation, such as murine-tropic HCV strains, or the use of related hepaciviruses, of which many have been recently identified. Of the latter, the rodent/rat hepacivirus from Rattus norvegicus species-1 (RHV-rn1) holds promise as a surrogate virus in fully immunocompetent rats that can inform our understanding of the interaction between the immune response and viral outcomes (i.e., clearance vs. persistence). However, further characterization of these animal models is necessary before their use for gaining new insights into the immunopathogenesis of HCV and for conceptualizing HCV vaccines.




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Thalamic Massa Intermedia in Children with and without Midline Brain Malformations [PEDIATRICS]

BACKGROUND AND PURPOSE:

The massa intermedia is a normal midline transventricular thalamic connection. Massa intermedia aberrations are common in schizophrenia, Chiari II malformation, X-linked hydrocephalus, Cornelia de Lange syndrome, and diencephalic-mesencephalic junction dysplasia, among others. We have noticed that massa intermedia abnormalities often accompany other midline malformations. The massa intermedia has never been formally evaluated in a group of exclusively pediatric patients, to our knowledge. We sought to compare and contrast the prevalence, size, and location of the massa intermedia in pediatric patients with and without congenital midline brain abnormalities.

MATERIALS AND METHODS:

Successive 3T brain MR imaging examinations from pediatric patients with and without midline malformations were procured from the imaging data base at a pediatric hospital. Massa intermedia presence, size, morphology, and position were determined using 3D-TIWI with 1-mm isotropic resolution. The brain commissures, septum pellucidum, hypothalamus, hippocampus, vermis, and brain stem were evaluated to determine whether alterations were related to or predictive of massa intermedia abnormalities.

RESULTS:

The massa intermedia was more frequently absent, dysmorphic, and/or displaced in patients with additional midline abnormalities than in those without. The massa intermedia was absent in 40% of patients with midline malformations versus 12% of patients with normal findings (P < .001). Massa intermedia absence, surface area, and morphology were predictable by various attributes and alterations of the commissures, hippocampus, hypothalamus, vermis, brain stem, and third ventricle.

CONCLUSIONS:

Most pediatric patients have a thalamic massa intermedia centered in the anterior/superior third ventricle. Massa intermedia abnormalities are commonly associated with other midline malformations. Normal-variant massa intermedia absence is a diagnosis of exclusion.




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Treatment Outcomes of Endovascular Embolization Only in Patients with Unruptured Brain Arteriovenous Malformations: A Subgroup Analysis of ARUBA (A Randomized Trial of Unruptured Brain Arteriovenous Malformations) [INTERVENTIONAL]

BACKGROUND AND PURPOSE:

Endovascular embolization only has been advocated for treatment of brain arteriovenous malformations in recent trials. Our aim was to evaluate the results of embolization only in a cohort of patients who were enrolled in the A Randomized Trial of Unruptured Brain Arteriovenous Malformations (ARUBA) study at 39 clinical sites in 9 countries.

MATERIALS AND METHODS:

We analyzed the rates and severity of stroke and death in patients who underwent embolization only. Events were identified through in-person neurologic follow-up visits performed at 6-month intervals during the first 2 years and annually, with telephone contact every 6 months thereafter. All event-related data were reviewed by independent adjudicators.

RESULTS:

Among 30 patients who had embolization planned, 26 underwent embolization only. A total of 13 stroke events were reported in the follow-up period among 26 subjects (ischemic, hemorrhagic, or both in 4, 7, and 2 subjects, respectively). The adverse event occurred after the first embolization in 11 of 13 patients. One patient had a major motor deficit, and 2 patients developed major visual field deficits. One event was fatal. The modified Rankin Scale score was 0–2 at last follow-up in 11 of the 12 stroke survivors. Estimated stroke-free survival was 46% at 12 months.

CONCLUSIONS:

Although the rates of stroke and/or death were high in patients treated with embolization only in ARUBA, the rates of favorable outcomes following stroke were high during follow-up.




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Complications of Endovascular Treatments for Brain Arteriovenous Malformations: A Nationwide Surveillance [INTERVENTIONAL]

BACKGROUND AND PURPOSE:

Embolization is widely performed to treat brain arteriovenous malformations, but little has been reported on factors contributing to complications. We retrospectively reviewed a nationwide surveillance to identify risk factors contributing to complications and short-term clinical outcomes in the endovascular treatment of brain arteriovenous malformations.

MATERIALS AND METHODS:

Data for endovascular treatment of brain arteriovenous malformations were extracted from the Japanese nationwide surveillance. Patient characteristics, brain arteriovenous malformation features, procedures, angiographic results, complications, and clinical outcomes at 30 days postprocedure were analyzed.

RESULTS:

A total of 1042 endovascular procedures (788 patients; mean, 1.43 ± 0.85 procedures per patient) performed in 111 institutions from 2010 to 2014 were reviewed. Liquid materials were used in 976 procedures (93.7%): to perform presurgical embolization in 638 procedures (61.2%), preradiosurgical embolization in 160 (15.4%), and as sole endovascular treatment in 231 (22.2%). Complete or near-complete obliteration of brain arteriovenous malformations was obtained in 386 procedures (37.0%). Procedure-related complications occurred in 136 procedures (13.1%), including hemorrhagic complications in 59 (5.7%) and ischemic complications in 57 (5.5%). Univariate analysis identified deep venous drainage, associated aneurysms, infratentorial location, and preradiosurgical embolization as statistically significant risk factors for complications. Multivariate analysis showed that embolization of brain arteriovenous malformations in the infratentorial location was significantly associated with complications. Patients with complications due to endovascular procedures had worse clinical outcomes 30 days after the procedures than those without complications.

CONCLUSIONS:

Complications arising after endovascular treatment of brain arteriovenous malformations are not negligible even though they may play a role in adjunctive therapy, especially in the management of infratentorial brain arteriovenous malformations.




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Anoxic Brain Injury Detection with the Normalized Diffusion to ASL Perfusion Ratio: Implications for Blood-Brain Barrier Injury and Permeability [FUNCTIONAL]

BACKGROUND AND PURPOSE:

Anoxic brain injury is a result of prolonged hypoxia. We sought to describe the nonquantitative arterial spin-labeling perfusion imaging patterns of anoxic brain injury, characterize the relationship of arterial spin-labeling and DWI, and evaluate the normalized diffusion-to-perfusion ratio to differentiate patients with anoxic brain injury from healthy controls.

MATERIALS AND METHODS:

We identified all patients diagnosed with anoxic brain injuries from 2002 to 2019. Twelve ROIs were drawn on arterial spin-labeling with coordinate-matched ROIs identified on DWI. Linear regression analysis was performed to examine the relationship between arterial spin-labeling perfusion and diffusion signal. Normalized diffusion-to-perfusion maps were generated using a custom-built algorithm.

RESULTS:

Thirty-five patients with anoxic brain injuries and 34 healthy controls were identified. Linear regression analysis demonstrated a significant positive correlation between arterial spin-labeling and DWI signal. By means of a combinatory cutoff of slope of >0 and R2 of > 0.78, linear regression using arterial spin-labeling and DWI showed a sensitivity of 0.86 (95% CI, 0.71–0.94) and specificity of 0.82 (95% CI, 0.66–0.92) for anoxic brain injuries. A normalized diffusion-to-perfusion color map demonstrated heterogeneous ratios throughout the brain in healthy controls and homogeneous ratios in patients with anoxic brain injuries.

CONCLUSIONS:

In anoxic brain injuries, a homogeneously positive correlation between qualitative perfusion and DWI signal was identified so that areas of increased diffusion signal showed increased ASL signal. By exploiting this relationship, the normalized diffusion-to-perfusion ratio color map may be a valuable imaging biomarker for diagnosing anoxic brain injury and potentially assessing BBB integrity.




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Hệ thống ngân hàng TP.HCM thông báo thanh lý 6 nền góc và 30 nền đất gần Aeon Mall Bình Tân

Hệ thống ngân hàng TP.HCM phối hợp cùng công ty CP Tập đoàn ĐN - ĐN Group trân trọng thông báo tới các Tổ chức/Cá nhân quan tâm về việc mua tài sản thế chấp của khách hàng. Thông tin chi tiết như sau:1. Thông tin tài sản: - 6 lô góc và 30 nền đất thổ cư đường số 7, phường Tân Tạo...




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Rooms for rent (female only) on Cach Mang Thanh 8, District 3

Room for rent (female only) Cach Mang Thanh 8, Ward 11, District 3 New nice room, 30m2, airy, security area, near supermarket, school, cable TV and free wifi toilet and separate kitchen in the room, indoor parking. Price: 2,500,000 VND / month (for 1 female). 3,200,000 VND / mont...




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Savico MegaMall Long Biên

Savico MegaMall Long Biên được xây dựng trên khu đất số 7-9 đường Nguyễn Văn Linh, phường Gia Thụy, quận Long Biên, Hà Nội – vị trí đắc địa phía Đông thành phố, giao thông thuận tiện, chỉ cách nút giao thông Cầu Chui gần 500m và khoảng cách tới trung tâm Hoàn Kiếm khoảng 5km.




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City Mall

Khu đô thị thương mại – dịch vụ City Mall Bình Điền nằm ngay cổng chợ đầu mối Bình Điền




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Aeon Mall Long Biên

Trung tâm tâm thương mại Aeon Mall Long Biên tọa lạc tại khu công viên công nghệ thông tin Hà Nội, thuộc phường Long Biên và phường Phúc Đồng, quận Long Biên, TP. Hà Nội. Dự án đã chính thức khai trương vào sáng ngày 28/10/2015.




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Malibu Hội An

Malibu Hội An được xây dựng theo mô hình biệt thự biển và căn hộ cao cấp với vị trí đắc địa ngay trên cung đường du lịch nổi tiếng của miền Trung - Trường Sa, thuộc bãi biển Hà My, tỉnh Quảng Nam.




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Tips for Renting out Office Space for Small Businesses

Renting an office space should be one of your top priorities at the onset of starting your business. However, it takes more than simply looking up available lots around town and choosing one at random. Here are some tips on the right way to rent out small business space.




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Bán 3 lô đất Tên Lửa Bình Tân có sổ kế Aeon Mall

Bán 3 lô đất Tên Lửa Bình Tân có sổ kế Aeon Mall. - Vị trí: Mặt tiền đường Số 5 lộ giới 22m. Xung quanh là khu dân cư đông đúc, chợ và trường học các cấp. Đối diện là Khu công nghiệp và bệnh viện Quốc Ánh. - Diện tích: 5x17m, 6x10m, 6x20m. - Đất có sổng hồng riêng, gặp c...




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Switch Shipments Reach 55.77 Million Units as of March 31, Animal Crossing: New Horizons Sells 12 Million

Nintendo has released its latest hardware and software figures for the Nintendo Switch and Nintendo 3DS through March 31, 2020. Shipments figures for the Nintendo Switch reached 55.77 million units, while the Nintendo 3DS hit 75.77 million units shipped. As for lifetime software 356.24 million Switch games have been shipped and 383.11 million 3DS games. 

For the quarter Nintendo shipped 3.28 million Switch units and 45.59 million Switch games, as well as 0.07 million 3DS units and 0.89 million 3DS games. 

Nintendo forecasts it will ship 19 million Switch units in the fiscal year ending March 31, 2021.

Here are the top 10 best-selling Switch first-party titles:

  1. Mario Kart 8 Deluxe – 24.77 million
  2. Super Smash Bros. Ultimate – 18.84 million
  3. The Legend of Zelda: Breath of the Wild – 17.41 million
  4. Super Mario Odyssey – 17.41 million
  5. Pokemon Sword / Pokemon Shield – 17.37 million
  6. Pokemon: Let’s Go, Pikachu! / Pokemon: Let’s Go, Eevee! – 11.97 million
  7. Animal Crossing: New Horizons – 11.77 million (first 11 days) / 13.41 million (first six weeks)
  8. Splatoon 2 – 10.13 million
  9. Super Mario Party – 10.10 million
  10. New Super Mario Bros. U Deluxe – 6.60 million
Nintendo also shared the sales figures of more games:
  • Luigi’s Mansion 3 – 6.33 million
  • Super Mario Maker 2 – 5.48 million
  • The Legend of Zelda: Link’s Awakening – 4.38 million
  • Fire Emblem: Three Houses – 2.87 million
  • Ring Fit Adventure – 2.73 million
  • Pokemon Mystery Dungeon: Rescue Team DX – 1.26 million
  • Astral Chain – 1.08 million
  • Marvel Ultimate Alliance 3: The Black Order – 1.08 million

Nintendo in a separate report revealed sell-in figures for the Nintendo switch. For the 2020 fiscal year Nintendo sold 21.03 million Switch consoles, which is a 24 percent increase over the 16.95 million sold the previous year. Software sales for the fiscal year jumped 42.3 percent to 168.72 million games sold. 

Nintendo also revealed sell-through sales in three major regions for the 2020 fiscal year. In North America sales for the Switch were 7.67 million units, a 20 percent increase. In Europe, sales increased 19 percent to 5.37 million units, and in Japan sales jumped 33 percent to 5.06 million units.

A life-long and avid gamer, William D'Angelo was first introduced to VGChartz in 2007. After years of supporting the site, he was brought on in 2010 as a junior analyst, working his way up to lead analyst in 2012. He has expanded his involvement in the gaming community by producing content on his own YouTube channel and Twitch channel dedicated to gaming Let's Plays and tutorials. You can contact the author at wdangelo@vgchartz.com or on Twitter @TrunksWD.

Full Article - https://www.vgchartz.com/article/443417/switch-shipments-reach-5577-million-units-as-of-march-31-animal-crossing-new-horizons-sells-12-million/




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Small robots could help look after salmon without stressing them out

Robots are being developed to help with tasks like fixing the sea cages where fish are farmed, and their size seems to be all that affects how the fish react




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Candle Shop Has "Scents Of Normality" Candles for £45

Exhaust fumes and cold KFC?




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Animal Crossing Is the Breath of the Wild Postgame I Always Dreamed Of

Strange as it may sound, Animal Crossing: New Horizons feels like where Breath of the Wild should have ended up gameplay-wise.




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Australian Scientists Discover 'Virgin' Bees That Don't Have Sex And Only Give Birth To Females

Researchers at a Sydney university have discovered how some female bees have managed to reproduce despite never doing the deed with another. More »
    




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ANYbotics Introduces Sleek New ANYmal C Quadruped

The latest version of ANYbotics' four-legged robot can do useful real-world inspection tasks




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Skydio’s New Drone Is Smaller, Even Smarter, and (Almost) Affordable

Skydio crams all its autonomous magic into a sleek consumer drone that costs under $1k




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RPGCast – Episode 461: “Female Napoleon Dynamite”

RPGamer is brand new, but does it do that woo woo circle thing? We find the answer to “What is the Dark Souls of Jurassic...




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RPG Cast – Episode 526: “Slightly Smaller Than Your Average Spoon or Fork”

We're back and better* than ever! On this special episode of the RPGCast we do a deeper dive into what we've been playing and discuss our holiday hauls. *Note: RPG Cast 526 may not actually be better than any other previous RPG Cast.




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Stella McCartney goes wild to drive home animal-free message

Paris show features wildlife costumes to emphasise the label’s planet-friendly ethos

The singer Janelle Monáe and actor Shailene Woodley were in the front row, but two rabbits, a fox, a horse, two cows and a crocodile stole the show. People in lifesize animal costumes, of the kind more usually seen at theme park parades than at Paris fashion week, joined models for the finale of Stella McCartney’s show, swinging their new-season handbags and posing for the cameras.

The optics were fun, but the message was serious – that there are animals on almost every catwalk, it’s just that they are usually dead. The half-moon shoulder bag carried jauntily by a brown cow here was made from a vegan alternative to leather, while other bags were created from second-life plastic.

Continue reading...




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Victor’s secret: male lingerie is coming to a bloke near you

Could frilly satin and lace underwear, along with form-fitting ‘shapewear’, really replace the traditional vest and Y-fronts?

Decades ago, Prince sported high-cut, leather-look women’s briefs on stage, and Rod Stewart borrowed satin knickers from his then girlfriend, Britt Ekland, to wear under tight trousers while performing. Now, ranges of male lingerie are being launched for the man on the street to buy – raising the question: will it catch on?

One man thinks so. Jules Parker, 54, is a full-time metalworker who has set up Moot Lingerie, which combines traditional male underwear shapes with non-traditional lingerie flourishes and fabrics.

Continue reading...




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U of M swimmer Wog named Canada West Female Athlete of the Year

Complacency is not a word in Kelsey Wog’s vocabulary. Every season, the fourth-year Bisons swimmer finds a way to take her game to the next level and break records along the ...




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Nintendo sells a lot more Switches, as people stay at home playing Animal Crossing

A couple of weeks ago, we noted some new NPD numbers pointing to a very good March for the Switch. Nintendo’s financials this week bear out the predicted surge in popularity for the three-year-old console. The company has sold 21 million Switch units in the past year, handily beating a 19.5 million forecast; 6.2 million […]




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WHO, UN&#39;s postal agency release commemorative stamp on 40th anniversary of smallpox eradication




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WHO, UN&#39;s postal agency release commemorative stamp on 40th anniversary of smallpox eradication




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End of one-child policy in China linked to rise in birth anomalies

Following China’s switch to a two-child policy, there has been a slight rise in congenital anomalies, perhaps because parents are older on average at conception




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New Zealand is close to wiping out covid-19 - can it return to normal?

New Zealand is on track to eliminate covid-19 altogether, but keeping the virus out for good will be a challenge, and the economic impacts are likely to hurt




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Municipalities of Sask. president calls for amalgamation

"I think people are seeing that there is a problem. It's whether they are prepared to take that political risk to actually do something about it."




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Sports Minister Kiren Rijiju Charts Way for Sports to Return to Normalcy After Covid-19 Lockdown

Kiren Rijiju said coronavirus has changed everything and sports need to be conducted in a new way





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Sports Minister Kiren Rijiju Charts Way for Sports to Return to Normalcy After Covid-19 Lockdown

Kiren Rijiju said coronavirus has changed everything and sports need to be conducted in a new way





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Animal Crossing: Keep Track of Museum Donations With This Fossil Checklist

Use our interactive checklist to help fill up your museum with all the dinosaur fossils in Animal Crossing: New Horizons.




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Coronavirus found in semen of male coronavirus patients, Chinese researchers say

The novel coronavirus has been discovered in the semen of infected male individuals, according to Chinese researchers, potentially raising the prospect that the virus could potentially be sexually transmitted.




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Millie Small has died at the age of 73

The 'My Boy Lollipop' hitmaker suffered a stroke, according to her friend and manager, Chris Blackwell, who also co-produced the 1964 hit, which became one of the top-selling ska songs of all time.




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House coronavirus panel targets big corporations gobbling up small-biz aid

The House's special panel policing coronavirus spending demanded Friday that five large corporations return rescue money that was intended for small businesses.

The letters to the five companies were the first official action of the newly formed Select Subcommittee on the Coronavirus Crisis.

"Since your company is a public entity ...




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Meet the Bee With a Body That’s Half Male, Half Female

So-called gynandromorphs are rare, but they can teach us a lot about development and evolution




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Why the New Coronavirus Affects Some Animals, but Not Others

While the virus seems capable of infecting some pets and wild animals, these cases probably aren’t occurring often




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Ten Animals and Plants Around the World That You Can (Virtually) Adopt

While COVID-19 stymies travel, help conserve those things—from cacti to manta rays—that will beckon you later




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Beer was here! A new microstructural marker for malting in the archaeological record

A new method for reliably identifying the presence of beer or other malted foodstuffs in archaeological finds is described in a new study.




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Physicists shed light on the nanoscale dynamics of spin thermalization

In physics, thermalization, or the trend of sub-systems within a whole to gain a common temperature, is typically the norm. There are situations, however, where thermalization is slowed down or virtually suppressed; examples are when considering the dynamics of electron and nuclear spins in solids. Understanding why this happens and how it can be controlled is presently at the center of a broad effort, particularly for applications in the emerging field of quantum information technologies.




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Gamer who died of coronavirus has Nintendo 'Animal Crossing' funeral

The life of a New York video game enthusiast who died from complications of the coronavirus was celebrated with a virtual service on Nintendo’s hit video game: “Animal Crossing: New Horizons.”




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Stocks hit weekly highs as markets shrug off dismal U.S. jobs data

Equity markets rallied on Friday, hitting weekly highs, and oil prices gained as more governments around the world began gradually reopening their economies and Sino-American trade tensions eased.




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U.S. small business rescue program ignored Congress: watchdog

The U.S. government's $660 billion program to rescue small businesses hit by the coronavirus pandemic thwarts the intention of Congress by making it hard for some borrowers to convert loans to grants and failing to prioritize the right businesses, a government watchdog said on Friday.




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Himalayas come into view for first time in 30 years in northern India as lockdown leads to drop in air pollution

Follow our live coronavirus updates HERE Coronavirus: The symptoms




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World&apos;s &apos;longest animal&apos; spotted off Australia&apos;s western coast by marine scientists

Up to 30 new marine species discovered on research expedition into underwater canyons




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Zoo may have to feed animals to each other in &apos;worst case&apos; scenario amid financial struggle caused by coronavirus

Follow our live coronavirus updates HERE Coronavirus: The symptoms




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Sir Philip Rutnam formally begins legal action against Home Secretary Priti Patel over constructive dismissal claims

Former Home Office Permanent Secretary Sir Philip Rutnam has formally begun legal action against Home Secretary Priti Patel, claiming "constructive dismissal".




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Boris Johnson&apos;s fiancee Carrie Symonds calls for live animal meat markets to be banned to prevent another Covid-19-like pandemic

Carrie Symonds has signed a petition calling for a worldwide ban on live animal meat markets after coronavirus is thought to have emerged at a "wet market" in Wuhan, China.