What happened to Zika?
Two summers ago, Zika virus infected more than half a million people and caused more than 3,700 birth defects in the Americas. Then, the virus nosedived. With the weather warming and mosquitoes out, how much do we need to worry…
Watch 5:22
What you need to know about this season’s brutal flu
This year's flu outbreak is the most widespread the Centers for Disease Control has ever seen. Doctor visits are climbing and pediatric deaths from the illness are up as well. What makes it so severe? Dr. Amber Robins of Georgetown…
These families lost kids to the flu. Now, they’re fighting to prevent more deaths
These families are speaking out about the importance of a universal flu vaccine and spreading awareness about the current flu shot.
Watch 8:23
Vermont’s rules on vaccines for school met with parents’ support and pushback
Several states have tightened their immunization requirements, requiring children who attend school get vaccinated against preventable illnesses. But some parents who believe vaccines should be a personal choice are pushing back. Special correspondent Lisa Stark of Education Week reports from…
It’s the season for tick bites. Each year, at least 300,000 people contract Lyme disease and about 10 to 15 percent report stubborn, long-lasting symptoms like achy joints, fatigue and memory lapses despite treatment. What are the mysteries of Lyme,…
A promising lung cancer treatment from Cuba is getting attention from U.S. patients, some of whom are already traveling there to try the drug in hopes of stopping their cancer from growing. American doctors can't prescribe CIMAvax because the Food…
A whooping cough and measles outbreak prompted lawmakers to require parents to personally meet with health officials before a waiver can be granted.
Robert F. Kennedy, Jr., a vaccine critic, told reporters Tuesday that he will chair a commission on vaccine safety and scientific integrity. But what's possible for Trump to change — and what’s not?…
President-elect Donald Trump is reviving long debunked attempts to link vaccines to autism, asking Robert F. Kennedy Jr. -- a vocal skeptic -- to chair a commission on vaccination safety.
