Epidemiology

After a quiet summer, bird flu cases are rising again. Scientists expected the development, but what happens next is still uncertain

A quarter of the Centers for Disease Control and Prevention staff is gone after the Trump administration’s latest reductions in force and earlier layoffs

Three vaccines were on the agenda for this week’s meeting of ACIP, the CDC’s key advisory panel on immunization: the combined measles, mumps, rubella and varicella vaccine, the hepatitis B vaccine and COVID vaccines

A report finds that death rates from cancer and heart disease have declined since 2010 in roughly 150 countries. Experts explain potential reasons why

A child in Los Angeles County has died from a rare but always fatal brain disorder that develops years after a measles infection. Experts underscore the need for vaccination to protect the most vulnerable

A single tick bite can trigger a bizarre meat allergy—here’s how alpha-gal syndrome is reshaping people’s diets.

AI now scans for bird flu and measles news, but public health officials say outbreaks can go undetected as the U.S. guts national and global tracking

Many questions still surround COVID vaccine access this fall, but here’s what we know so far

Texas may have declared its measles outbreak over, but rising cases elsewhere and the return to school mean it could easily resurge

One-off cases of malaria in the U.S. may become more common as warming temperatures lead to booming mosquito populations

An ongoing civil war in Sudan has forced millions of people to flee their homes and move to camps, where a lack of water and sanitation infrastructure, along with heavy rains, are fueling a massive cholera outbreak. What role does the environment play in how the outbreak is spreading?

Fifty-eight people have been infected—and two have died—in a New York City outbreak of Legionnaires’ disease—a severe type of pneumonia caused by a bacterium commonly associated with air-conditioning systems and cooling towers