Arizona health officials say there are four confirmed linked measles cases, making it another state with an outbreak.

Measles is the most contagious disease that we know. It spreads with unbelievable efficiency, in a nonimmune or a partially immune population,” says Dr. Adam Ratner, pediatric infectious disease ...

As measles cases in the United States continue to mount, neighboring countries Canada and Mexico are also experiencing ...

In its weekly measles update the US Centers for Disease Control and Prevention (CDC) today reported 80 more measles cases, the biggest jump since late April, putting the United States on pace to ...

There are 1,168 confirmed measles cases in the U.S., the Centers for Disease Control and Prevention said Friday.

Measles, once declared eliminated in the U.S., has seen a resurgence, with recent cases linked to travelers passing through U.S. airports.

In a national briefing, health professionals talk about fear, prevention, and the limits of just-the-facts strategies.

Centers for Disease Control and Prevention (CDC) has updated its guidance to recommend measles vaccinations for all ...

Childhood vaccination rates against measles fell in the years after the COVID-19 pandemic in nearly 80% of the more than ...

Measles, declared eliminated in the U.S. in 2000, is resurging in 2025, with over 1,100 cases reported across 17 states. This ...

The number of measles cases in the U.S. this year is nearing a 30 year high. Frequent travel and declining vaccination rates ...

Wastewater monitoring, a technique that gained prominence during the COVID-19 pandemic, may now offer a crucial early warning ...