
Translating the ever-changing science of public health for Californians so you can take action for your community’s health
| Platform | Pricing | Freemium | Publishes | Weekly | |
|---|---|---|---|---|---|
| Issues | 60 | Founded | a year ago | Last Issue | 2 days ago |
| Active | |||||

Covid-19 hospitalizations are climbing ahead of a murky vaccine rollout, West Nile virus is posting its worst numbers in 20 years, and California is holding the line on vaccine access while the White House backslides even further. We’ll sta...
YLE California is turning 1! Man that went fast. When I first hit “publish” on on August 14, 2025, I had no idea what to expect. I felt sure about getting the science right, but wasn’t sure anyone would be listening and engaging on the othe...
This edition is a guest post from our appointed expert on summer fun to answer some pressing questions from you, our California community.
This spring, we launched The Pulse, a weekly survey sent to people across the state to hear w...
I’m seeing four emerging public health threats in California this week— two viruses, a parasite, and our weather. We’ll start with a virus.
Last week, I described why I think we’re in for a rough West Ni...
We’re coming into West Nile Virus season again, and I’m seeing signs that this could be a harsh year. Here’s why, and how you can protect yourself.
A quick refresher. West Nile virus (WNV) is California’s...
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The writers behind this newsletter.
An epidemiologist trying to make sense of this world
Registered Dietitian | Science Communication | Public Health Nutrition | Mom of 4 | Army Vet | Wellness Noise Cutter
Matt Willis is a physician, epidemiologist and former Public Health Officer for Marin County, California.
Epidemiology MPH. NorCal / NYC / SoCal. Lover of surf, stats, equity, plants. Might challenge you to Scrabble.
Infectious diseases physician and microbiologist with a passion for public health.
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