ZHH's twice-weekly industry newsletter, rounding up all the news you need on public health, industry trends, outbreaks, and more.
February 6, 2026

Tortilla drama in CA 🌯

Why fortifying corn masa led to unexpected pushback, plus measles updates and how norovirus already postponed an Olympic hockey game
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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
November 5, 2020
How Accurate is COVID Testing?
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October 22, 2020
Update: CDC’s Refined Definition of Close Contact
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October 15, 2020
You Should Be Encouraging Employees to Get Their Flu Shots
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