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Could minks raise the risk of bird flu? 🐾

Plus, measles cases have doubled last year's total, dengue continues to spread in Florida, and what employers need to know about TB exposure outside of work.

October 27, 2026

Health News:

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  • Bird flu is spreading on a Utah mink farm, and because minks have lung cells similar to ours, there are questions about whether the virus could mutate and spread between people. (Axios)

  • There are new counties in Florida reporting dengue fever (11 counties total), and the case count climbed to more than 400… (WFLA)

  • …the outbreak is now so large that the CDC has activated an emergency response. (MedPage Today)

  • US measles cases have officially hit double last year’s total, and it’s only October. (CIDRAP)

  • PA’s measles outbreak continues to grow quickly with 21 new cases in just the last three days. (Penn Live)

  • A new study links a rise in heart attacks to those states that legalized recreational cannabis. (US News)
  • San Francisco’s current TB outbreak may be connected to a local strip club. (KTLA)

  • The E. coli outbreak linked to chicken wraps we spoke about last week included Trader Joe’s products. (USA Today)

  • Novartis’ new drug for multiple sclerosis (MS) cuts relapses by more than a third. (Stat News)

  • Passengers on a flight to Rhodes were kept on board after several passengers developed norovirus-like symptoms. (Yahoo)

  • Five separate measles cases in Washington state earlier this year led to only 26 cases. Isolation and quarantine helped keep the outbreaks from spreading. (CIDRAP)

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Best Question:

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We had an employee exposed to TB at home, but not actually sick. Can they work? 

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TB rose rapidly in the U.S. during the pandemic, likely because so many people stopped receiving routine care. While the trend is starting to slow, that still means it’s becoming much more common to have employees exposed to TB. 

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If an employee was exposed outside of work, they may bring a letter from the health department saying as much. As long as they have no symptoms, anyone exposed to TB can continue to work unless their doctor’s note or health department letter says otherwise. 

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They should be aware of the symptoms of TB (especially a bad cough, chest pain, or coughing up blood), keep an eye on their own symptoms, and stay home if any develop. In most TB exposure cases, the health department will not require testing, but they may offer it to the exposed person, usually for free. If they don’t, ZHH can work with clients to coordinate testing, though it’s not generally necessary. You can’t spread TB unless you are actively sick and have symptoms, so it’s safe for this person to continue to work as long as they are symptom-free. 

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If you’re unsure of the details, you can ask for a doctor’s note for the employee, especially if they have any symptoms or can’t confirm whether they’ve been tested. For more guidance on your specific employee’s case, don’t hesitate to reach out to ZHH.

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Sources: Mayo Clinic, CDC, CIDRAP

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Best Listen:

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In Friday's Best Read, we talked about why we shouldn't be alarmist when it comes to measles, and we stand by that. Most kids recover without serious complications. But that doesn't mean we should downplay the risks, either. Measles can cause serious complications months or even years after someone recovers and can even erase some of the immune protection we've built up against other infections. There's a lot more to measles than a fever and a rash, and we can and should talk about those risks too.

Measles: It's more than a rash | CIDRAP

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