ZHH's twice-weekly industry newsletter, rounding up all the news you need on public health, industry trends, outbreaks, and more.
December 2, 2025

Norovirus is on the rise 📈

Actionable steps to take amid a noro surge and a downloadable flyer for your employees. Plus, the race to protect endangered seals from bird flu.
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October 21, 2025

Your Guide to Fall Shots 💉

Predictions for the upcoming flu season, community spread of severe mpox in the L.A. area, and more.
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October 17, 2025

🤘Not That Kind of Heavy Metal

Lead in protein powder, aluminum in vaccines, and a locally acquired clade 1 mpox case in California.
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Resource Center

Helpful posts and information from the ZHH Team
August 7, 2021
Updated COVID Exclusion Chart!
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August 5, 2021
What Should Your Restaurant Do about the NYC Vaccine Mandate?
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July 28, 2021
What the New CDC Mask Guidelines Mean for Employers
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