As COVID-19 becomes endemic ... participants periodically donated blood to test for immune response to the vaccine: antibodies, memory B cells and T cells. A proportion of the children received ...

This summer seems to be no exception: Recent data from the Centers for Disease Control and Prevention shows that COVID test .

However, a study published last month in Annals of Internal Medicine finds that antibody testing likely undercounts the number of vaccinated people who have had a previous COVID-19 infection, ...

Another breakthrough was the role of T cells in long-term immunity. While much of the initial focus of COVID-19 research was on antibodies, the South African scientists demonstrated that T cells ...

Memory T cells play a key ... and that COVID-19 vaccination enhances both the frequency and function of these cells, contributing to long-lasting immunity. By exploring how different immune ...