Balanced T cell response key to avoiding COVID-19 symptoms, study suggests

By analyzing blood samples from individuals infected with SARS-CoV-2, researchers in Singapore have begun to unpack the different responses by the body’s T cells that determine whether or not an individual develops COVID-19. The study, published today in the Journal of Experimental Medicine (JEM), suggests that clearing the virus without developing symptoms requires T cells to mount an efficient immune response that produces a careful balance of pro- and anti-inflammatory molecules.

Majority of Pregnant Women Who Tested Positive for COVID-19 Were Asymptomatic, Study Finds

The majority of pregnant women who tested positive for COVID-19 on arrival to the delivery room were asymptomatic, according to a new paper by Mount Sinai researchers.