(Getty Images stock photo/DigitalVision)More than 4,400 measles cases have been reported in the U.S., according to an update on Friday from the Centers for Disease Control and Prevention (CDC).A total of 4,410 cases have been confirmed, with most reported by 45 states and Washington, D.C. Eighteen of this year's total...Read more

A female Culex tarsalis mosquito is shown in a close right anterior-oblique view, Aug, 28, 2017. (CDC/Smith Collection/Gado via Getty Images)North Carolina health officials are warning that West Nile virus is spreading after two deaths were linked to the disease.The two deaths were adults from central North Carolina, according to...Read more

Weight loss injection pen medications. (Michael Siluk/UCG/Universal Images Group via Getty Images)After years of fertility treatments to become pregnant with her first two children, 30-year-old Ashlee Amborn was shocked to learn she was pregnant with her third child just four months after her second was born. The solution, she said:...Read more

Instructions for a measles vaccination are seen outside of the Lubbock Public Health facility on April 9, 2025, in Lubbock, Texas. (Brandon Bell/Getty Images)As measles continues to spread across the U.S., local health officials say it may be spurring some to get themselves or their children vaccinated.More than 4,000 cases...Read more

NASA.govMiniature organs being sent into space for the very first time may soon help scientists understand how spaceflight impacts certain organs and may accelerate aging.In a joint effort by researchers from Mount Sinai, NASA and aerospace company Space Tango, these mini organs will be exposed to the increased radiation and microgravity astronauts face in space, especially on long-duration...Read more

Signs point the way to measles testing in the parking lot of the Seminole Hospital District across from Wigwam Stadium on February 27, 2025 in Seminole, Texas. (Jan Sonnenmair/Getty Images)Measles cases in the United States have surpassed 4,000 this year, according to data updated Friday from the Centers for Disease...Read more

The Center for Disease Control (CDC) headquarters in Atlanta, Georgia, US, on Friday, Dec. 5, 2025. (Megan Varner/Bloomberg via Getty Images)The Centers for Disease Control and Prevention (CDC) said it has established measures to "identify and assess" any travelers from the Russian region where a possible plague case was reported.In...Read more

(Getty Images stock photo)Pennsylvania is reporting 74 new measles cases since Monday, the state's health department said Wednesday.A total of 1,078 cases have been reported in the state so far this year. At least 207 people have been hospitalized and five people have died, according to the Pennsylvania Department of...Read more

A doctor wipes a staff member's arm with disinfectant. (Photo by Katharina Kausche/picture alliance via Getty Images)As the weather turns colder, it also means respiratory virus season is upon the United States.In its annual outlook report, the Centers for Disease Control and Prevention (CDC) said it expects the 2026-27 respiratory...Read more

STOCK PHOTO/Getty ImagesCats live in nearly 80 million American households, but a new study suggests nearly one out of fifteen cats are infected with a common parasite, and one out of five infected cats can transmit it to humans. In the study, published in PLoS One, researchers tested over 150,000 samples from cats in 49...Read more

WHO Director-General Tedros Adhanom Ghebreyesus (2nd R) meets with journalists from the Association of Correspondents Accredited to the United Nations (ACANU) at the WHO headquarters to discuss global health issues, in Geneva, Switzerland, on September 2, 2026. (Photo by Muhammet Ikbal Arslan/Anadolu via Getty Images)The World Health Organization (WHO) said...Read more

Measles virus particle, illustration. (Kateryna Kon/science Photo Library/Getty Images)New York Gov. Kathy Hochul declared a state disaster emergency on Monday as neighboring Pennsylvania battles its largest measles outbreak in three decades.As of Oct. 3, New York has recorded 108 measles cases so far this year, 92 of those since mid-July...Read more

Measles virus particle, illustration. (Kateryna Kon/science Photo Library/Getty Images)Measles cases in Pennsylvania have surpassed 1,000 so far this year as the state continues to battle an outbreak of the virus.Monday's update from the Pennsylvania Department of Health (DOH) brings the total number of 2026 measles cases in the state to...Read more

Computer graphic image of a virus as seen like through a microscope. (Yuichiro Chino/Getty Images)The U.S. State Department is monitoring a reportedly fatal case of "pneumonia of an unknown etiology" linked to a plague research laboratory in Russia."We are aware of ​reports of a fatal case of suspected pneumonic plague...Read more

Signage outside the US Food and Drug Administration headquarters in Silver Spring, Maryland, US. (Valerie Plesch/Bloomberg via Getty Images)The Food and Drug Administration (FDA) said on Friday it has found a potential source of the cyclosporiasis outbreak that was tied to lettuce over the summer.The agency collected samples during its...Read more