In an open letter published in the journal Clinical Infectious Diseases, scientists write that studies "have demonstrated beyond any reasonable doubt that viruses are released during exhalation, talking, and coughing in microdroplets small enough to remain aloft in air and pose a risk of exposure at distances beyond 1 to 2 meters (yards) from an infected individual."
Six months into a pandemic that has killed over half a million people, more than 200 scientists from around the world are challenging the official view of how the coronavirus spreads.
A coronavirus outbreak at the University of Washington’s off-campus frat houses has left at least 93 students sickened with the illness, the school announced Friday.
GENEVA/LONDON (Reuters) - The World Health Organization (WHO) should soon get results from clinical trials it is conducting of drugs that might be effective in treating COVID-19 patients, its Director General Tedros Adhanom Ghebreyesus said on Friday.
“Nearly 5,500 patients in 39 countries have so far been recruited into the Solidarity trial,” he told a news briefing, referring to clinical studies the U.N. agency is conducting.
“We expect interim results within the next two weeks.”
Although many governments are still advising against "nonessential" international travel, a host of popular destinations have eased their Covid-19 border restrictions and are readily welcoming tourists back.
Destinations like Dubai, the Maldives, Croatia and Jamaica have already opened their doors to foreign visitors again, while Bali and Thailand hope to reopen in the coming weeks.
White House coronavirus advisor Dr. Anthony Fauci said Tuesday that U.S. health officials are keeping an eye on a new strain of flu carried by pigs in China that has characteristics of the 2009 H1N1 virus and 1918 pandemic flu.
People testing negative for coronavirus antibodies may still have some immunity, a study has suggested.
For every person testing positive for antibodies, two were found to have specific T-cells which identify and destroy infected cells.
This was seen even in people who had mild or symptomless cases of Covid-19.
But it's not yet clear whether this just protects that individual, or if it might also stop them from passing on the infection to others.
The US has bought up virtually all the stocks for the next three months of one of the two drugs proven to work against Covid-19, leaving none for the UK, Europe or most of the rest of the world.
The new “working-from-home economy,” which is likely to continue long past the coronavirus pandemic that spawned it, poses new challenges – from a ticking time bomb for inequality to an erosion of city centers – according to Stanford economist Nicholas Bloom.
Results from several nationwide surveys Bloom has been conducting during the COVID-related economic shutdown provide a snapshot of the emerging new reality.
