ZHH's twice-weekly industry newsletter, rounding up all the news you need on public health, industry trends, outbreaks, and more.
June 26, 2026

🗺️ Noro near you?

Ebola cases continue to climb globally, while in our own backyard we're watching increases in tetanus and cyclosporiasis.
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March 1, 2024

CDC Officially Removes 5-Day Isolation Guidelines

New ZHH Exclusion Chart in effect Monday. All your questions & what it means for employers here.
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March 1, 2024

Hep A, cholera & spring shots for 65+

Plus, join our CEO, Roslyn Stone, next Thursday for a free webinar hosted by NEHA on norovirus
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Resource Center

Helpful posts and information from the ZHH Team
November 12, 2020
Why the News About Pfizer’s 90% Effective Vaccine Isn’t as Great as it Sounds.
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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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