Study by MIT and others identifies genes essential for tuberculosis bacterium’s survival during airborne transmission.

This number lags far behind the three million-plus cases of infection detected by polymerase chain reaction (PCR ... need to account for all types of transmission, including by people who are ...

Measles outbreaks across North America are threatening the region's status of having officially eliminated the virus, ...

Most neonatal herpes infections are the result of undiagnosed, new-onset HSV infection in the mother. This article reviews the epidemiology of HSV, risks of transmission, and testing and ...