This freeze should remain in place until each individual unit of blood collected in the two counties can be tested, according to the US Food and Drug Administration.

Health officials said all 15 are within the same one-mile region of Miami, just in-land of the beach.

The news will bring relief to health officials in Zika-infected Miami after fears the insects had grown a resistance to insecticide.

Christine Curry teaches and practices obstetrics and gynecology at the University of Miami Hospital. So far she has treated over a dozen pregnant women with Zika, with many more expected.

It is not yet clear whether they Palm Beach County resident contracted the infection from Palm Beach mosquitoes or from insects during a recent trip to Miami, Florida, where there is a Zika outbreak.

It is the biggest one-day spike in diagnoses to date as the city struggles to control the virus. The development means there are now 21 people being treated for local transmission of the virus.

The study by the University of Southern California is the most significant step towards understanding the infection amid widespread confusion about how it inflicts life-threatening conditions in babies.

This summer families have been warned to protect children with bug spray and clothing. But now the onus falls on teachers to protect the 7,600 students attending school in the two outbreak zones.

A patient has been diagnosed with Zika in Pinellas County. The area just outside Tampa is 265 miles away from Miami on the other side of the peninsula from the original outbreak zone.

It comes after the intense storms last week, leaving swathes of standing water, which is ideal breeding ground for Zika-carrying Aedes aegypti mosquitoes.

There are now 160 local infections in Florida as the spread shows no sign of slowing down despite its disappearance from headlines.

The CDC had previously urged testing for pregnant women who had been in one of the county's Zika 'hot zones.' On Wednesday, it extended the advice to the entire county.

Officials lifted the warning on Tuesday, saying more than 45 days had passed since they have found a new last local case of the mosquito-borne infection.

A couple in Miami tested positive for the Zika virus that was sexually transmitted after one of the partners traveled to several countries, including Cuba.

Laura, 40, recalled that age 15, she went to a model agency casting and was told to lose 25 lbs. Laura, at 5'10", and her mother made it a 'shared project' with weigh-ins.

A ranking of the 100 healthiest cities in the world was drawn up by researchers counting the number of parks, gyms, spas, yoga studios and vegan-option restaurants in each place.

Romeo Beckham, 17, took fashion inspirition from Gareth Southgate as he wore a waistcoat during a fun date with girlfriend Mia Regan on Friday.

The son of David and Victoria Beckham, 17, included one snap from when they visited the Louvre Museum in Paris together.

The second son of David and Victoria Beckham, 17, was grinning from ear to ear as he posed for the affectionate snap.

The couple went for a stroll on the pitch and shared a romantic smooch while they toured the new stadium on Saturday.

The couple - who are worth £335million - are said to have used their firm, Beckham Brand Limited to take out the loan last year, which they are reportedly paying back over 10 years

They’re known for their sometimes gritty soap roles. But Samia Ghadie and Michelle Collins looked a world away from their on-screen characters at the TV BAFTAs.

The University of Michigan alum wound up in a pile of around 30 others for the Love Different 2020 performance at The Temple House in Miami Beach

The pop icon, 61, opted for a low key look in a black fedora and coat which featured gold pattern detailing as she stepped off the plane in Miami on Friday.

Former MKR 'villain' Sonya Mefaddi, 43, was famously eliminated alongside teammate Hadil Faiza for 'bullying' and 'threatening' the other contestants.

Mia Tindall was spotted perfecting her football skills as she watched mum Zara Tindall compete on day three of the Whatley Manor Gatcombe International Horse Trials at Gatcombe Park today.

Justin Bieber could be seen beaming in a striking red ensemble, as he arrived to a bustling video shoot in Miami in an over-sized hoodie and cargo-inspired trousers on Thursday morning.

The 25-year-old musician showed some smooth moves as he danced his way around the vibrant set in Miami, Florida before lighting up a cigar.

25 years after the first Bad Boys movie hit theaters, Will Smith and Martin Lawrence reunited on the red carpet at the Miami premiere of Bad Boys For Life.

The soap star, 37, has discussed her heartbreaking miscarriage for the first time in a candid interview, after her Corrie character Maria suffered from the same loss.

Romeo Beckham, 17, put on a cosy display with new model 'girlfriend' Mia 'Mimi' Moocher as they enjoyed the ATP Tennis finals at The O2 Arena in London on Sunday.

Damian Hurley looked ethereal as he posed up for a snap in Mykonos, Greece on Thursday.

Rami Malek is slated to appear as legendary rock singer Freddie Mercury in the upcoming biopic Bohemian Rhapsody. Here's all you need to know about who he is, the upcoming film and more.

The star, 37, planted a smooch on his onscreen and offscreen lover, 25, who played Mary Austin, in the biopic, before addressing the crowd at the Shrine Auditorium in Los Angeles on Sunday.

Bohemian Rhapsody star Rami Malek was seen grinning as he took a stroll in Venice, Los Angeles on Monday, with his co-star and girlfriend Lucy Boyton.

The singer and actress, 50, paired her skin-baring top with leopard print leggings and chunky soled black workout boots. JLo's hair was pulled back in a bun and she added hoop earrings and sunglasses.

The singer, 29, posed in a purple ensemble as part of a campaign for Deichmann shoes, with the shoot taking place in Miami on Friday.

The Anywhere singer, 29, looked bohemian chic in a plunging blue striped shirt teamed with a pair of black wide-leg plissé trousers.

In exclusive behind the scenes images from the Miami shoot, Rita wows in glam gowns teamed with the rainbow bright shoes.

ROAD TO RIO 2016: I’ve just finished my first year playing abroad. I left Sheffield Steelers to join Amiab Albacete in Spain and it was awesome! The basketball is totally different and, because it’s a semi-professional league, you are there just to play.

A guide to the best hotels at Miami Art Basel 2017

The chic and jewel of the Miami South Beach peninsula was the talk of the town at Art Basel

Archaeologists have uncovered a sacred plaza in Iraq that was used to appease Ningirsu - a hero-god of war. Some 5,000 years ago, where people held feasts, rituals and animal sacrifices in the pit.

Kate Upton stepped out in Miami Friday in a pale yellow suit that showcased her cleavage. The 27-year-old model was previously featured in a steamy Super Bowl ad in 2015.

Slovenian cyclist Janez Brajkovic, 35, posted the pictures of his incredibly lean legs after returning to the track following a ten-month doping ban for testing positive for methylhexaneamine.

Leonardo DiCaprio put his creative love to the forefront on Wednesday as he attended the Art Basel exhibition in Miami Beach.

Kendall Jenner, 24, stunned in a skimpy nude mini dress for her outing to upscale Italian eatery Cipriani on Friday night.

Leonardo DiCaprio was spotted partying into the early morning hours with Kendall Jenner and Hadid sisters in Miami on Wednesday.

Kendall Jenner showed off her slender figure as she slipped into a teeny-tiny orange halterneck bikini on nightlife impresario David Grutman's yacht on Friday.

Kendall Jenner stepped out with her on-and-off again beau Ben Simmons in a majorly public way, as she arrived with Simmons to Super Bowl LIV in Miami on Sunday night.