Harvard Med specialist says cases of remdesivir-resistant disease seem rare, may not become big issue.

Harvard specialists say COVID-19 pills may cut hospitalizations and deaths and offer big boost to nations struggling with low vaccination rates.

A human Intestine Chip has helped identify drugs that can target GI symptoms associated with both the common cold and SARS-CoV-2 virus infections.

Can the current crop of vaccines get us to herd immunity even if variants become widespread? A Harvard immunologist says yes.