A resurgence of mumps in the U.S. among vaccinated young adults appears to be due to waning of vaccine-induced immunity, according to a new analysis from Harvard T.H. Chan School of Public Health. Researchers...

Manifestations of Zika virus (ZIKV) infection differ drastically. Sometimes they are catastrophic, most notably when they cause microcephaly in some babies born to infected mothers. At other times, they...

There is likely no bigger accomplishment in medicine and public health that has saved so many lives and prevented so much misery over the decades as the introduction of vaccines. In the U.S. alone,  between...