California's Aggressive Pro-Vaccination Policies Have Made a Big Difference
A new study finds that the percentage of kindergartners in the state without up-to-date vaccinations dropped from nearly 10 percent in 2013 to under 5 percent in 2017.
Viewfinder: Ukraine Grapples With a Measles Outbreak
A woman tends to her daughter, age six, who is about to receive a measles vaccine shot at a health clinic on May 15th, 2019, in Kiev, Ukraine.
Why Is New York City Fighting a Measles Outbreak Within Just Four Zip Codes?
The city's health department will begin imposing fines for unvaccinated people living in the neighborhood of Williamsburg.
Rockland County Banned Unvaccinated Minors From Public Places. Will This Prompt Legal Challenges?
Public-health experts say the measure is unusual, but necessary.
Experts, Lawmakers, and One Ohio Teen Take on the Anti-Vaccine Movement
While anti-vaccine propaganda continues to spread online, experts and teens are talking about how to fight it.
Why Public-Health Experts Want More States' Vaccine Policies to Look Like West Virginia's
Legislation made the anti-vaccine movement possible—and as the example of West Virginia shows, it can also help fight it.
How Facebook Helped the Anti-Vaxxer Movement Go Viral
New reports have implicated Facebook and other social media platforms for their role in the spread of anti-vaccine propaganda.
Measles Outbreak and California's Wet Weather: Stories You Might Have Missed This Week
A measles outbreak increases vaccination demand, a new bill would address the crisis of missing Native American women, and California's wet weather eases drought conditions.
Measles Outbreak, Australia Heat, Gay Panic Defense: Stories You Might Have Missed This Week
A measles outbreak hits the Northwest, Australia breaks heat records, and a fourth state mulls banning the gay panic defense.
Are Anti-Vaxxers a Major Health Threat? The World Health Organization Says Yes.
The WHO has named vaccine hesitancy as one of the top 10 public-health threats of 2019. Here's how the anti-vaccination movement came about, and what to do about it.
Minnesota Measles Outbreak Spreads in Somali Community
Minnesota has had more cases of measles this year than the entire U.S. did in 2016.
How Many People Must Be Unvaccinated Before You Have to Worry About Getting Measles?
Because measles passes so easily between people, 96 percent to 99 percent vaccination rates are required for "herd immunity" to work.
How the Ebola Epidemic Will Lead to Measles Outbreaks Too
The Ebola epidemic will likely lead to outbreaks of other diseases, but countries could prevent that with vaccination campaigns.
Don't Listen to Chris Christie; Vaccinate Your Kids
Vaccinations are typically regarded as the most important public health advancement in history. So why are they going away?