Tuberculosis is the world's deadliest infectious disease, due in part to its ability to hide out for years in the lungs ...

Monkeypox is a disease caused by the monkeypox virus, a pathogen closely related to variola virus, which causes smallpox.

The common cold sore virus, which is often caught in childhood, usually stays in the body for life – quietly dormant in the ...

The common cold sore virus, which is often caught in childhood, usually stays in the body for life—quietly dormant in the ...