Julio Valenzuela, 11, smiles as he gets a Measles, Mumps and Rubella vaccination (MMR), at a free immunization clinic for students. (ROBYN BECK/AFP/Getty Images) From January to April this year, there have been more measles cases in the United States than any year since 1996, according to data from the U.S. Centers for Disease Control and Prevention. Fifteen distinct outbreaks have occurred, accounting for 69 percent of the 187 CDC-confirmed measles cases. In total, the disease has been detected in...

A worker wears a mask, as he touches a camel on May 12, 2014, outside of Riyadh, Saudi Arabia. Citizens have been urged to wear masks and gloves when dealing with camels to avoid spreading MERS, as health experts said the animal was the likely source of the disease. AFP PHOTO/FAYEZ NURELDINE Two employees of the Dr. P. Phillips Hospital in Orlando, who were exposed to the United States' second confirmed MERS patient, now show symptoms of the disease, officials...

Antibiotic overuse has got to stop, cautioned the World Health Organization inAntimicrobial Resistance: Global Report on Surveillance 2014, the first comprehensive WHO report on the subject. Antibiotic resistance occurs when bacteria “outsmart” the drugs designed to kill them. It’s an increasingly severe issue, “a problem so serious that it threatens the achievements of modern medicine. A post-antibiotic era — in which common infections and minor injuries can kill — far from being an apocalyptic fantasy, is instead a very real...