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The Executive Briefing
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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February 25, 2022
The Executive Briefing - Friday, February 25
CDC eases mask guidance where hospitals aren’t strained 😷
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February 22, 2022
The Executive Briefing - Tuesday, February 22
Another highly contagious variant already here
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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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