The pandemic is showing the problems created by a hodgepodge of public health systems that relies on private laboratories.
The world’s biggest COVID-19 vaccine study got underway Monday with the first of 30,000 planned volunteers helping to test shots created by the U.S. government.
The Trump administration will pay Pfizer nearly $2 billion for a December delivery of 100 million doses of a COVID-19 vaccine the pharmaceutical company is developing.
Scientists at Oxford University say their experimental coronavirus vaccine has been shown in an early trial to prompt a protective immune response in hundreds of people who got the shot.
The Food and Drug Administration has given emergency approval to a new approach to coronavirus testing that combines test samples in batches instead of running them one by one.
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.