Outbreak Outlook - May 17
Updates on the hantavirus and Ebola outbreaks, plus seasonal respiratory viruses.
Caitlin Rivers, PhD, MPH is a writer and epidemiologist. She directs the Center for Outbreak Response Innovation at Johns Hopkins and translates complex science into practical guidance.
Updates on the hantavirus and Ebola outbreaks, plus seasonal respiratory viruses.
Flu, Covid-19 and RSV all quiet. Updates on the hantavirus outbreak.
Respiratory pathogens quiet; rotavirus very high.
Improvements seen in influenza, Covid-19 and RSV.
Flu hangs on in the Northeast; RSV finally quiets; Covid-19 activity low.
Flu B still active in the Northeast; RSV activity high but declining.
Outbreak alerts that matter
The Food and Drug Administration approved the 2025-2026 formulation of the annual Covid-19 booster today. As expected, the label limits approval to people over the age of 65 and younger
Note: I would normally also share wastewater concentration data, but it was not updated this week. Influenza-like illness Covid-19 RSV
While writing about gun violence recently, I was reminded of a prominent violence prevention program in Baltimore with public health roots. Safe Streets is based on a program developed by
💡Looking for my 2025-2026 vaccine guide? Find it on Substack here. This page answers follow-up questions from readers. Can doctors still prescribe the Covid-19 vaccine "off-label" to other