US
No Covid-19 vaccine has been approved for commercial use
Results from trials of two potential Covid-19 vaccines yielded initial signs of efficacy
Though today’s results were widely welcomed, larger trials still need to take place to determine vaccine’s efficacy
More than 100 possible vaccines are being developed and tested around the world to try to stop the pandemic
China has brought state, military and private sectors together in a quest to combat coronavirus
Study of high-risk Covid-19 patients may explain why their health issues contribute to more severe cases of illness
A WHO-led trial is looking at the potential effect of Gilead’s antiviral drug remdesivir on Covid-19
A vaccine is seen as essential to ending a pandemic that has killed nearly 370,000 people
Indian Council of Medical Research says it should be continued because there is no harm