Covid-19 was never just another cold. We knew it was going to stick around and keep changing to try to get the upper hand on our immune systems. But we've changed, too. Our B cells and T cells, ...

A rare cell type in the lungs is essential to survival from the COVID-19 virus, a new study shows. Experiments in mice infected with the SARS-CoV-2 virus revealed that the immune cell class in ...

Detailed immune profiling in long-term care populations reveals that SARS-CoV-2 vaccines and infections drive powerful virus-specific responses while leaving lifelong common cold immunity largely ...

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

Researchers at the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine) and Monash University in ...