High levels of so-called "T cells" that respond to the coronavirus could be sufficient to offer protection against infection, an English study said on Tuesday, adding to the evidence of the crucial ...

The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.

Vaccines can work in about four different ways. Here's what you need to know about how they're made and how long it takes to ...

Your immune system is a network of cells, tissues, and organs that fight off infection. Your immune system can be affected by ...