How to save a life
Brush up on your first aid skills for a safe and fun summer season.
2 min read
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Caitlin Rivers
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.
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Outbreak Outlook - May 24
Ebola Bundibugyo outbreak in the DRC declared a public health emergency, with ~750 suspected cases and no approved vaccine. At home, respiratory viruses are low but norovirus stays elevated in the South and West.
6 min read
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Outbreak Outlook - May 17
Updates on the hantavirus and Ebola outbreaks, plus seasonal respiratory viruses.
6 min read
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Outbreak Outlook - May 10
Flu, Covid-19 and RSV all quiet. Updates on the hantavirus outbreak.
5 min read
Outbreak Outlook - May 3
Respiratory pathogens quiet; rotavirus very high.
4 min read
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Outbreak Outlook - April 26
6 min read
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Outbreak Outlook - April 19
Improvements seen in influenza, Covid-19 and RSV.
5 min read
Outbreak Outlook - April 12
Flu hangs on in the Northeast; RSV finally quiets; Covid-19 activity low.
5 min read
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Outbreak Outlook - April 5
Flu B still active in the Northeast; RSV activity high but declining.
6 min read
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Coming Soon: FOI Clinical
Outbreak alerts that matter
1 min read
Notes on the new Covid-19 vaccine rules
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
2 min read
More data, Aug 24
Note: I would normally also share wastewater concentration data, but it was not updated this week. Influenza-like illness Covid-19 RSV
1 min read