A new analysis of dozens of studies has identified the most common warning symptoms in adults under 50, whose rates of colon and rectal cancer are on the rise.
The new case, in a Michigan farmworker, did not suggest that bird flu was widespread in people, health officials said, adding that the risk to the general public remained low.
A deadlier version of the infectious disease is ravaging the Democratic Republic of Congo, while the type that caused a 2022 outbreak among gay and bisexual men is regaining strength.
Biodiversity loss, global warming, pollution and the spread of invasive species are making infectious diseases more dangerous to organisms around the world.
New research finds that the death rate among Black youths soared by 37 percent, and among Native American youths by 22 percent, between 2014 and 2020, compared with less than 5 percent for white youths.