Adults 65 and older with healthy immune systems who received a 2024–2025 COVID-19 vaccine were about 45-46% less likely to be hospitalized with COVID-19 than those who had not received a 2024–2025 COVID-19 vaccine.
Among 1,850 flu-related deaths in children reported to CDC during the 2010–11 through 2023–24 flu seasons, a total of 166 (9%) children had influenza-associated encephalopathy or encephalitis.
Avian influenza A(H5) virus detections in Oregon wastewater during September 15, 2021—July 11, 2024, were not associated with animal outbreaks or the presence of dairy processing facilities within the sewershed.
The latest MMWR Weekly Briefing is live. Topics include: emergency department visits associated with the 2025 LA wildfires, PFAS exposure among firefighters who responded to the 2023 Maui wildfires, and more. Listen and subscribe on: Apple Podcasts and Spotify.
