In cholera developments, Comoros last month reported its first outbreak since 2008.
Penguin mortality has been localized, but the risk remains for types that remain in communal roosts throughout the winter.
A consortium announces the launch of a $57 million project to test inhaled and nasal vaccines with a goal of stopping infection from SARS-CoV-2 and other coronaviruses.
The new H5N1 detections in US mammals occurred in skunks and a mountain lion.
The latest round of free at-home tests began in November 2023 heading into the winter respiratory virus season.
Dengue cases in the Americas so far this year are outpacing last year's record activity.
The birds were found near a polar research base on the northern tip of Antarctica.
The 2 inactivated adjuvanted cell-based vaccines are made by Seqirus.
Cambodia has now reported 5 cases this year, which follow a rise that began last year.
Just over 40% of mothers said their young babies had received Beyfortus, the new RSV antibody vaccine.