With COVID-19, questions about how infections cause lasting immunity, or don’t, and how you know and what it all means for vaccines have become a matter of public focus. But some immunologists have been pondering those questions for years. “The immune system has a very good memory,” Bali Pulendran told BioWorld. “Clearly, some viruses and some pathogens can enter the body and stimulate the immune system, and the immune system can remember that encounter for decades.”

LONDON – The U.K. is funding a national program of research to investigate the major unanswered questions related to the immune response to COVID-19. The aim of the research, involving teams of immunologists in 17 research institutions, is to unpick the immunological backdrop of one of the most notable aspects of COVID-19 infection, which is the huge spectrum of severity of symptoms.

The U.S. FDA has cleared the way for Abbott Laboratories sixth COVID-19 test, a near-patient, point-of-care antigen test that gives results in 15 minutes and can be run without laboratory equipment. The company has priced the Binaxnow COVID-19 Ag Card rapid test at $5 and is offering a complementary mobile app that allows people to display their test results when asked by organizations for verification.