A bird flu outbreak is threatening African penguins, conservation charity SANCCOB has warned. Since September 2025, 23 penguins have tested positive for highly pathogenic avian influenza and at least ...

Moderna chief executive officer Stephane Bancel said the company does not plan to invest in new late-stage vaccine trials because of growing opposition to immunizations from health officials in the ...

Arizona is experiencing its highest number of whooping cough cases in more than a decade, with health experts pointing to declining vaccination rates as a key factor behind the surge.

Officials say the surge is so severe that some patients are having to double up, and there are concerns it could get worse before it gets better.