Dear S.F.: If you were born before 1957, you are likely (but not 100% sure) to be immune to measles (sometimes called red ...

The RNP complex is the influenza virus’s essential package, the virus’s blueprints and a copy machine all rolled in one. The ...

As U.S. childhood vaccination rates sway on a “knife’s edge,” new 25-year projections reveal how slight changes in national ...

Every living creature on Earth needs to protect itself from things that would do it harm. Bacteria are no different. And ...

Three children have died in the most recent outbreak of measles. This article reviews the symptoms and treatment of measles.