Photo of kids wearing masks to prevent an outbreak of a new virus in China

Cases of New Viral Respiratory Illness Rise Sharply in China

BEIJING — Chinese health authorities urged people in the city of Wuhan to avoid crowds and public gatherings, after warning that a new viral illness that has infected more than 400 people and killed at least 17 could spread further. “There has already been ...
Photo of a woman getting a vaccine in New York

US Measles Cases Hit Highest Mark in 25 Years

NEW YORK — Measles in the U.S. has climbed to its highest level in 25 years, closing in on 700 cases this year in a resurgence largely attributed to misinformation that is turning parents against vaccines. T...