MMR vaccine

The World Health Organization has released the latest data on measles. The increase in cases is notable — and a sign of how much work needs to be done to address the outbreak.

Another reason not to skip the measles vaccine: A measles infection may cause lasting harm to the immune system, research finds, making patients more vulnerable to other diseases.

States are debating whether to make it more difficult for students to avoid vaccinations for religious or philosophical reasons amid the worst measles…

The World Health Organization tallied over 112,000 measles cases in the first quarter of 2019 — up more than 300% compared with the same period in 2018.

The University of California, Los Angeles, and California State University have told hundreds of students and staff to stay home for up to 48 hours unless they can prove they're immune or vaccinated.

The bill removes the personal belief exemption from required childhood vaccinations for measles, mumps and rubella. Seventeen states allow exemptions based on philosophical objections.

Columbus Public Health and Jewish Family Services are teaming up to offer free measles vaccinations. The move follows outbreaks of the disease in New York…

This year, the U.S. has confirmed 550 measles cases so far. A recent spike is connected to outbreaks in New York, but there are outbreaks in four other states too.

"We cannot allow this dangerous disease to make a comeback here in New York City. We have to stop it now," Mayor Bill de Blasio said, announcing an order that calls for mandatory vaccinations.

There are outbreaks in rich countries and poor countries, from the United States to Madagascar. And the World Health Organization says vaccine hesitancy is a top 10 threat to global health.