ZHH's twice-weekly industry newsletter, rounding up all the news you need on public health, industry trends, outbreaks, and more.
June 23, 2026

It’s heating up this summer 🔥☀️

Smoke in LA, heat at the World Cup - but we're also looking ahead to this fall's flu shots and whether mRNA vaccine will be available for flu
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January 17, 2025

Wildfires, Noro & Red No. 3

Masks are still recommended in LA even as air clears, plus more on managing employees as noro explodes...
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January 14, 2025

Stay open during fires? Employers face tough calls

Wildfire smoke, another CA child with bird flu, plus more on why a polio resurgence could be devastating
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Resource Center

Helpful posts and information from the ZHH Team
May 25, 2022
Monkeypox Q&A in the App
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April 6, 2022
Understanding your Vaccination Status Dashboard
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January 13, 2022
Updated Exclusion Chart - Extending 5 Day Exclusions after Positive Tests in Some Cases
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