Inaccuracies in the testing, such as false negatives and false positives, are potentially harmful

We need to be very cautious about preliminary studies estimating how many people have already been infected by the coronavirus

Many countries are focusing coronavirus testing on people who have covid-19 symptoms. But regularly testing all essential workers would have more of an impact

New York has released more details into who has tested positive for the coronavirus in the state, and Governor Andrew Cuomo said the per cent of healthcare workers with Covid-19 is not higher than the general public.“That is amazingly good news,” Mr Cuomo said during his press briefing on Thursday.

Labour's Dr Rosena Allin-Khan questions Health Secretary Matt Hancock in the House of Commons.

The UK's chief scientist tells MPs mass testing is "part of the system that you need to get right".

UFC middleweight Jacaré Souza tests positive for Covid-19 and will no longer compete at the controversial UFC 49 show.

Sharing a video which he termed as 'a small step towards humanity', megastar Amitabh Bachchan on Sunday urged people to stay compassionate and inclusive in the testing times of coronavirus crisis.

Bachchan took to Twitter to share the initiative of spreading love and compassion across the country.

T 3513 - A small step towards #Humanity pic.twitter.com/dHu6ZE7aMd

— Amitabh Bachchan (@SrBachchan) April 26, 2020

The video message for which Bachchan has given his voice talks about different times when humans need a helping hand from several professionals and how during times of crisis people should not forget that humans are interdependent on each other. "A doctor held me in his arms when I came out of my mother's womb. A nurse bathed me with her gentle hands when I was a little baby. My teacher held my finger with her fingers when she taught me to write the first alphabet 'A.' My safety was in the hands of our driver when I went to school," Bachchan is heard saying in the video.

"When I ate, I always knew that it was prepared by the loving hands of our cook. We always needed those hands, we still need them, those safe hands, those protective arms, those guiding fingers," he further said.

He then correlated the message to the current scenario of the coronavirus crisis and said that social distancing should not distance people from humanity.

"Today, handwashing and social distancing have become paramount for our safety. So, hands folded I implore you, let us not wash our hands of humanity," the 'Sholay' actor said.

"Let us not suspicious of people around us, let us not shun people around us, let us not shame people around us. Let us be aware, let us be compassionate, let us be benevolent, let us be inclusive, let us be human," he added.

The 77-year-old actor has been associated with different campaigns and has also been raising awareness about coronavirus for a long time.

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Representational picture

Washington: Twitter is reportedly testing a new feature on its Android app that makes messaging secure with end-to-end encryption.

Called 'Secret Conversation', the feature is expected to be available in the conversation info section in direct messaging of the Twitter app on Android, Mashable reports.

As users seek more security, end-to-end encryption has become a new mandate for messaging apps. The technology makes it difficult for snoopers to access or intercept messages which are exchanged between two parties.

NSA whistleblower Edward Snowden had asked Twitter CEO Jack Dorsey for such a feature on the platform a year ago. It remains to be seen when the end-to-end encryption is officially rolled out.

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The US Anti-Doping Agency has come up with a novel random testing program to cope with the unique circumstances of the coronavirus pandemic. With the United States, like much of the world, under lockdown as authorities try to slow the spread of the virus, USADA has launched a program in which athletes collect blood and urine samples from themselves at home, while being monitored remotely on Zoom or FaceTime by testing personnel.

The test kits were sent to athletes, who must produce samples when they receive an unannounced call from a doping control officer. The officer watches the blood sample being taken, but urine samples are provided in private. The samples are sealed under the eye of the doping control officer and sent to an accredited lab for testing. USADA chief executive Travis Tygart told the New York Times that plenty of top US Olympic hopes were eager to sign up for the pilot project.

Freestyle swimming great Katie Ledecky and athletes Noah Lyles and Allyson Felix were among those who volunteered. "We've been talking about this and laying the foundation for several months," Tygart told the newspaper.

"COVID put that on fast forward and allowed us to roll it out." Ledecky said she "felt very comfortable" administering her first self test this week at her home in California. USADA has built safeguards into the system to limit opportunities for cheating. Although athletes are not observed during collection of urine, they show the monitoring officer the bathroom that will be used, they are timed and the temperature of the sample is recorded to lessen the chances of sample tampering or sample substitution.

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The Centre on Monday said that around 50 journalists testing positive for COVID-19 in Mumbai is very unfortunate.

"Journalists testing positive for COVID-19 is very unfortunate news. When you (journalists) attend your call of duty, kindly take the required precautions, follow the norms of social distancing and wear face masks," Lav Agarwal, Joint Secretary, Health and Family Welfare said at a daily briefing here.

#WATCH Journalists testing positive for #COVID19 is very unfortunate news. When you (journalists) attend your call of duty, kindly take the required precautions, follow the norms of social distancing & wear face masks: Lav Agrawal, Joint Secretary, Union Health Ministry pic.twitter.com/0Xu9vP9xLw

— ANI (@ANI) April 20, 2020

This comes as 53 journalists in Mumbai tested positive for COVID-19. All of them are under isolation, according to Brihanmumbai Municipal Corporation. Responding to a question of whether asymptomatic people need to be tested, Agarwal said, "80 per cent cases are asymptomatic and mild symptoms and we can track them. Sampling criteria is very clear that anyone who needs to be tested will be sampled."

"We have been highlighting that there are two criteria of concerns -- areas having a large number of cases, areas having the rate of growth of cases is high and the doubling rate is low," he added. Agarwal stated health officials are ensuring effective intervention so that affected areas do not lead to a large number of cases further.

"We are coordinating with states and district administration and take necessary action. Three teams of the central government have been sent to Maharashtra which is working in Pune, Mumbai and a team co-ordinating between Maharashtra state with central government and district administrations," he said. Agarwal said that India's COVID-19 doubling rate has improved to 7.5 days from 3.4 days before the lockdown was enforced.

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An EU-funded knowledge-sharing project has made cutting-edge non-invasive prenatal testing techniques available to couples undergoing IVF in Estonia, boosting chances of pregnancy for those struggling with infertility there.

Liverpool legend Kenny Dalglish thanked fans for their support on Sunday after leaving hospital following a positive test for the coronavirus. Dalglish, 69, found he had the virus after being admitted to hospital on Wednesday for treatment for a separate infection which required intravenous antibiotics. He was discharged on Saturday night. "Thank you for all of your well wishes over the last few days," said Dalglish in a Liverpool statement issued Sunday. "I'm delighted to be back home with the family after receiving brilliant care from the NHS (Britain's National Health Service), which we appreciate now more than ever. "Marina (Dalglish's wife) and I would like to express our immense gratitude to the medical staff who cared for me and who continue to treat countless others throughout the country during an incredibly challenging period."

Dalglish confirmed the couple would be in "full lockdown for the recommended amount of time in order to protect the lives of others". There are fears that the warm weather across Britain over the Easter weekend will see the public flout government guidelines on social distancing instead of only going out to maintain health and purchase essential supplies. But a concerned Dalglish said: "I know the sun is shining for many of you, but I urge you to stay home and follow the government guidelines to the letter." Earlier the Scotland great, in an interview with the Sunday Post, praised the "absolutely brilliant" hospital staff, adding: "People may think my name got me the best of care but every patient in the NHS gets the best of care." On Friday, Dalglish's family said he had tested positive for COVID-19 despite having previously displayed no symptoms of the illness.

'Humbling messages'
Saturday saw two of Dalglish's children take to Twitter to thank the public for their support. Paul Dalglish, also a former player, said: "Truly humbling messages from supporters of all teams," with Dalglish's daughter, Sky Sports presenter Kelly Cates, saying: "Thank you so much for your lovely messages and I'm really sorry I can't reply to them all." Liverpool goalkeeper Alisson Becker said on Twitter: "Love from Becker family to Sir Kenny Dalglish!!" Ian Rush formed a prolific partnership with Dalglish during their playing days at Liverpool and the Welshman took to Twitter to give his old team-mate his best wishes.

"Wishing a speedy recovery to the best...Sir Kenny Dalglish. Get well soon," he wrote. Dalglish won the Scottish league title with Celtic as a player on four occasions before signing for Liverpool in 1977. At Anfield, he captured eight English league titles, two FA Cups, five League Cups and three European Cups as a player and in two managerial spells. In his Liverpool playing career, Dalglish scored 172 goals in 515 games. As well as his role in Liverpool's golden era in the 1970s and 1980s, Dalglish received plaudits for supporting victims' families after 96 fans died in the 1989 Hillsborough stadium disaster. He also coached Blackburn to the 1995 Premier League title. Almost 10,000 people in Britain have so far died as a result of the coronavirus.

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The Spanish football league is all set to resume in June and La Liga's India managing director Jose Antonio Cachaza has revealed that they will resort to maximum testing of players to allay any fears of them contracting COVID-19.

Spain is one of the worst hit countries with around two lakh COVID-19 cases till date.

Most La Liga teams have been allowed to return to training this week after the government eased lockdown restrictions. However, the fear of contracting the Coronavirus is widespread, said Cachaza, for which a four-phase de-escalation programme is being introduced to ensure all players are free of the infection.

"The current week is only for testing of the players and preparing the grounds," Cachaza said in an online media interaction from Spain.

Jose Antonio Cachaza

"Once players are fit to play, we will disinfect the venues. All matches will be played behind closed doors with a maximum of 250 people to avoid any unwanted situation," he added.

When asked what happens if a player tests positive once the season starts, Cachaza said: "That can always be the case. If you see the Bundesliga, they are about to start their season but still have positive cases. We will be ensuring testing at regular intervals as well to keep a check on players." Unlike the English Premier League and the Bundesliga, the La Liga is yet to finalise on a date to resume the season as Cachaza said they are awaiting authorisation from the Spanish government. "We are in constant talks with the government and as of now, we have authorisation to only start with training. Next week, the players will be allowed to train on their own, with a maximum of six players on the pitch. The following week [May 18 onwards], players will be permitted to train in small groups before a return to larger team sessions,"2020-05-08 Cachaza explained.

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The White House released new guidelines Monday aimed at answering criticism that America's coronavirus testing has been too slow, and President Donald Trump tried to pivot toward a focus on 'reopening' the nation. Still, there were doubts from public health experts that the White House's new testing targets were sufficient. Monday's developments were meant to fill critical gaps in White House plans to begin easing restrictions, ramping up testing for the virus while shifting the president's focus toward recovery from the economic collapse caused by the outbreak. The administration unveiled a 'blueprint' for states to scale up their testing in the coming week, a tacit admission, despite public statements to the contrary, that testing capacity and availability over the past two months have been lacking.

The new testing targets would ensure states had enough COVID-19 tests available to sample at least 2.6 per cent of their populations each month, a figure already met by a majority of states. Areas that have been harder hit by the virus would be able to test at double that rate, or higher, the White House said. The testing issue has bedeviled the administration for months. Trump told reporters on March 6 during a visit to the CDC in Atlanta that 'anybody that wants a test can get a test,' but the reality has proved to be vastly different. The initial COVID-19 test developed by the Centers for Disease Control and Prevention was contaminated, and early kits operated only on platforms able to perform a small number of test per day. While the rate of testing increased as tests developed for higher-capacity platforms, they were still limited by shortages of supplies, from nasal swabs to the reagents used to process the samples.

Administration officials maintained Monday that the limiting factor now is actually the availability of samples from people who have been tested ' either because guidelines on who could be tested are too stringent or because there are not enough health workers able to take nasal swab samples from them. The CDC moved to address one of those concerns Monday, expanding the list of people to be prioritized for virus testing to include those who show no symptoms but are in high-risk settings like nursing homes. And Trump met with leaders of businesses including CVS, Walmart and Kroger, who said they were working to expand access to tests across the country. 'Testing is not going to be a problem at all,' Trump said later in the Rose Garden.

However, many of the administration's past pledges and goals on testing have not been met. Jeremy Konyndyk, a disaster preparedness expert who helped lead the Obama administration response to Ebola, said the administration's testing plans are well short of what is needed. Researchers at Harvard have estimated the country needs to be testing a minimum of 500,000 people per day, and possibly many more. Konyndyk said the aim should be 2 million to 3 million per day. Trump said the current total, up sharply in recent days, is over 200,000 per day. Konyndyk said, 'Over the past month, we've doubled or if you want to be really generous tripled the testing capacity in this country. We need to take where we are now and expand it 10-fold."

The testing blueprint for states provides details missing from the administration's guidelines for them to return to normal operations that were released more than a week ago. It includes a focus on surveillance testing as well as 'rapid response' programs to isolate those who test positive and identify those with whom they had come in contact. The administration aims to have the market 'flooded' with tests for the fall, when COVID-19 is expected to recur alongside the seasonal flu. Trump and administration medical experts outlined the plan on a call with governors Monday afternoon, before unveiling them publicly in a Rose Garden press conference. The White House announcements came as Trump sought to regain his footing after weeks of criticism and detours created in part by his press briefings.

Days after he set off a firestorm by publicly musing that scientists should explore the injection of toxic disinfectants as a potential virus cure, Trump said he found little use for his daily task force briefings, where he has time and again clashed with medical experts and reporters. Trump's aides had been trying to move the president onto more familiar and, they hope, safer, ground: talking up the economy in more tightly controlled settings. Republican Party polling shows Trump's path to a second term depends on the public's perception of how quickly the economy rebounds from the state-by-state shutdowns meant to slow the spread of the virus.

On Monday, the White House initially announced there would be a Trump briefing, but canceled it as Trump's greatest asset in the reelection campaign ' his ability to dominate headlines with freewheeling performances ' was increasingly seen as a liability. But hours later, Trump it became clear Trump had other ideas. He held court in the Rose Garden for a bit less than an hour. Spokeswoman Kayleigh McEnany said that briefings would be held later in the week but 'they might have a new look to them, a new focus to them.' Trump said he hoped that virus deaths would end up no more than 60,000 to 70,000, slightly revising upward his public estimate of recent days as the U.S. toll neared 56,000 on nearly 1 million cases.

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India is getting high-speed testing machines for Covid-19 from Swiss firm Roche Diagnostics in the US. The import is being facilitated by the Ministry

Theranos, a blood-testing laboratory, has announced that US civil and criminal authorities were conducting a criminal investigation into the company.

New HIV testing recommendations have been issued by the World Health Organization (WHO) to help countries reach the 8.1 million people living with HIV

Majority of teenage boys who are at most in danger for growing HIV aren't being examined for the disease, reveals a new study. The findings of the study are published in the journal iPediatrics/i.

After many coronavirus patients reported a temporary loss of smell, a new study has developed an online platform enabling self-monitoring of an individual's

In the future, a new approach based on artificial intelligence (AI) and machine learning may allow EKGs to be used to screen for hypertrophic cardiomyopathy.

Tech experts have been working towards using next-gen technologies like machine learning and artificial intelligence (AI) to make mass screening possible.

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This paper develops a simple model-based framework for stress testing fiscal consolidation strategies under different scenarios of future shocks

Boris Johnson’s government was focused on Budget and Brexit — until disease took a grip

New daily cases of Covid-19 around the globe rose by the lowest amount in 12 days as 73,858 diagnoses were confirmed on Sunday, bringing the total to 2.93m

But statistics that show how many days one country is behind another are humbug

Governments scramble for coronavirus tests

Another on-demand transport app is making a move into payments to expand the existing relationship with its customers (and subsequent margins that it makes from serving them). Bird today announced the launch of Bird Pay, a service that will let people use its app to purchase items from local participating businesses alongside renting scooters. The service […]

Health secretary pledges to increase tests to 100,000 a day in England by enlisting big companies and private labs

I see far more research articles than I could possibly write up. This column collects the most interesting of those papers and advances, along with notes on why they may prove important in the world of tech and startups. This week: one step closer to self-powered on-skin electronics; people dressed as car seats; how to […]

Biotech company Moderna said it plans to start phase 2 trials with 600 participants shortly.

The protester entered restricted airspace above the Scottish resort on Saturday trailing a banner reading 'Trump: Well Below Par #Resist', and circled three times before flying away.

Teeing it up for the first time since the Ryder Cup, Reed showed no signs of rust and made four birdies to turn in 32 before gains on the first three holes ensured he steered clear of the chasing pack.

President Donald Trump issued a mocking tweet Wednesday about the negative results of Sen. Mitt Romney's coronavirus test.

With the FDA-approval of faster tests that return results at the point-of-care, there's cause for hope that things will speed up, but a Columbia University expert explained why a five-minute test is a misnomer.

Life is already beginning to return to the status quo in South Korea, with the coronavirus outbreak now seemingly under control and new cases in single digits following a February peak.

Hancock has offered a glimmer of light to football and horse racing fans hoping to see the sports return to their screens after saying it was a possibility should sufficient testing be in place.

A coronavirus testing center opened Sunday in the parking lot of Miami's Hard Rock Stadium that will test first responders and the elderly.

President Hassan Rouhani used his platform at the Islamic conference in the city to rebuke the 'heaviest sanctions' by the US, claiming Iran's economy is on the mend and moving away from reliance on oil.

The Prince of Wales is in self-isolation after testing positive for the coronavirus on Tuesday. Less than two weeks earlier, he attended a dinner with Australia's high commissioner to the United Kingdom.

He may be self-isolating as he recovers from the coronavirus, but it seems that has not stopped the Prince of Wales receiving visits from neighbours in Balmoral, Scotland.

Prince Charles has urged followers to be mindful of their carbon footprint as he isolates in Scotland after testing positive for coronavirus.

The first shipment of 200 kits from China, bound for Perth via Singapore, was found by Australian Border Force officers on March 16.

Doug McMillon (left), the president and CEO of Walmart, and Amazon CEO Jeff Bezos (right) are pictured. The retail giants started temperature checks of employees at their facilities.

Kurdish intelligence operatives who supervised the informant passed the intelligence on to American forces before they raided Baghdadi's safe house in Syria on Saturday

Ocado UK wants all of its workers to be tested regularly to ensure they are safe to drop off supplies to elderly or vulnerable customers who are 'shielding' for 12 weeks.