Health officials believe much of the recent surge is coming from transmissions among social circles and families and friends gathering for traditional summertime activities.
The first COVID-19 vaccine tested in the U.S. revved up people’s immune systems just the way scientists had hoped, researchers reported Tuesday -- as the shots are poised to begin key final testing.
Americans confronted with an alarming resurgence of the scourge are facing long lines at testing sites and going a week or more without receiving a diagnosis.
Asymptomatic transmission of coronavirus appears to be worse than SARS or influenza, according to a report by MarketWatch.
The first experimental COVID-19 vaccine in the U.S. is on track to begin a huge study next month to prove if it really can fend off the coronavirus.
A California biotech company says its experimental drug remdesivir improved symptoms when given for five days to moderately ill, hospitalized patients with COVID-19.
South Africa says it has a backlog of nearly 100,000 unprocessed tests for the coronavirus, a striking example of the painful shortage of testing kits and reagents across Africa as cases steadily rise.
Katherine West writes on the current HIV science and the significant changes in post-exposure testing and medical follow up.
A top health expert is warning that the world is still smack in the middle of the pandemic, dampening hopes for a speedy global economic rebound and renewed international travel.
The Trump administration’s new strategy for coronavirus testing puts much of the burden on states while promising to provide supplies such as swabs and material to transport specimens.