According to the Pharmaceutical Research and Manufacturers of America (PhRMA), there are 264 vaccines in development to prevent and treat diseases.

The U.S. Food and Drug Administration approved the expanded use of Adacel to include repeat vaccination to help protect against tetanus, diphtheria and pertussis.

(Reuters Health) – Infants are now most likely to catch whooping cough from their brothers and sisters, a new study says. “Knowing where they’re getting their disease from is important […]