Some COVID-19 patients are testing positive after recovering in Asia, but experts say the presence of antibodies should guarantee short-term immunity ...

SAN FRANCISCO -- There has been a lot of talk about testing for the coronavirus, but you may not entirely understand what the different tests are for. The coronavirus makes some people sick, some ...

A T-cell test developed by Adaptive Biotechnologies could become the first commercially available test of its kind, and it may be more effective at detecting past COVID-19 infections than antibody ...

Households will be able to obtain four free antigen COVID-19 tests by visiting COVIDtests.gov, and filling out their name and shipping address, a repeat of the 2023 program. And the department says ...

CHICAGO (WLS) -- Testing is underway at Rush University Medical Center to determine if antibodies can be an effective treatment for COVID-19. Hospital staff and students are being tested to see ...

STATEN ISLAND, N.Y. — With the terrifying coronavirus (COVID-19) pandemic of 2020 behind us and the world now returned to normal, many people have moved away from vaccination or even testing for the ...

Statewide blood testing for COVID-19 has found that only 2% of Virginians had antibodies to the virus as of mid-August. The result has prompted the researchers to conclude that herd immunity in ...

On the heels of a summer wave of COVID-19 cases, Americans will be able to get free virus test kits mailed to their homes, starting in late September. U.S. households will be able to order up to four ...

SAN FRANCISCO -- It's a story that has been making headlines across the United States: Did Californians develop herd immunity after possibly being exposed to novel coronavirus last year? On Thursday, ...

Among patients going to hospitals and clinics, there is an undercurrent of worry: “Could I catch COVID by being here, among sick people?” But doctors encourage patients not to postpone needed care, ...