Public Health Alerts
Published by NEJM Evidence in collaboration with CIDRAP, Public Health Alerts are brief reports that inform public health officials, clinicians, policymakers, and the public of important and emerging health issues. Freely available on both the NEJM Evidence site and here, these reports are published on a rapid review track in support of efforts to make timely decisions for the medical community and public health.
For more information, read the news release and NEJM Evidence editorial on the launch.
To receive notice of new reports on the day they are published, sign up for our Daily News Headlines newsletter here.
Latest Reports
Paenibacillus dendritiformis as a cause of destructive meningitis in infants
Two US infants developed severe neurologic symptoms after infection with Paenibacillus dendritiformis, raising awareness of an emerging infectious disease threat.
(Feb 3, 2026)
Seasonal influenza activity, vaccination rates, and pediatric influenza mortality, Massachusetts, 2024-2025
The percentage of visits for influenza-like illness peaked at almost 12% in early February, a record high, and deaths totaled 441 for the season, including 10 deaths in children.
(Jan 16, 2026)
Detection of community transmission of clade Ib mpox virus in the United States
In October 2025, clade Ib mpox virus infection was confirmed in 3 unvaccinated hospitalized men in California who had not traveled internationally.
(Dec 17, 2025)
Influenza virus characteristics in the Department of Defense populations, 2024-2025
Report describes the influenza viruses circulating during the 2024-25 flu season in the US.
(Dec 17, 2025)
