While researchers don’t currently know why women are at greater risk of long COVID, differences in the way men’s and women’s ...

T helper (TH) cells are essential immune cells that help other immune cells function effectively. When activated in response to environmental stimuli, these cells can differentiate into either TH1 ...

He studies how tumor-recognizing T cells — a type of immune cell — respond to these solid tumors, and how to improve those responses to help patients. One research focus is on CD4, or "helper" T cells ...