A newly developed blood test that measures a specific immune response in the body could help doctors gauge how much protection a person has against Covid-19, according to a new study. The test, which ...

As highly-contagious Covid-19 subvariants proliferate, two U.S. researchers are using photonic biosensors on a chip to fight back with a wider scope of immunity testing. “What we are doing,” said Ben ...

When people hear the phrase herd immunity, many think immediately of COVID-19. During the pandemic, we learned—sometimes painfully—that individual health decisions can shape collective outcomes.

CAMBRIDGE - Researchers at MIT are excited about more than two years of research that has evolved with the COVID pandemic. "Potentially, [this technology] solves a lot of the debate around when ...

COVID-19 certainly didn't take a vacation this summer. Virus levels in the US have been on the rise for weeks, but it's hard to know exactly how widely it's spreading. Federal data suggests that the ...