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COVID surging abroad, Valley Fever rising at home

Plus, measles at a Shakira concert, a mystery Salmonella outbreak is growing, and (sorry) bed bugs are a workplace health issue now.

May 23, 2025

Measles News:

  • Someone attended a Shakira concert at MetLife stadium in NJ while infectious with measles on May 15th. Those exposed could develop symptoms as late as June 6th. (Daily Voice) 
  • Colorado reported measles exposures in the Denver airport, a nearby hotel, and a separate case in a hotel in Pueblo. (Colorado Sun)
  • Measles vaccination among babies skyrocketed in TX amid the measles outbreak there, with many choosing to vaccinate infants early. (NBC)

Health News:

  • Thailand is experiencing another wave of COVID, with cases increasing over the past 3 months to 33,000 last week. (Bangkok Post)
  • China is also seeing a major COVID surge, thanks to a new variant, NB.1.8.1. (CBS)
  • After a tornado hit St. Louis this week, experts warn that tornadoes can cause lung problems even after they’re gone, from dust and debris kicked up in the storm. (STLPR)
  • An outbreak of Salmonella Enteritidis has jumped from 78 to 103 cases, but the FDA still hasn’t identified what’s causing it. (FDA)
  • The FDA will require COVID shot manufacturers to expand warnings about the risk of a rare heart inflammation side effect. (CNN)
  • FDA has also picked a strain for fall COVID shots to focus on, the JN.1 variant. (NPR)
  • Some emulsifiers (xantham gum, maltodextrin, etc.) disrupt the mix of bacteria in the gut and cause health issues. (KFF Health News)
  • Owners of cattle, backyard poultry, and small turtles may be at higher risk for certain diseases, and custom messaging is key to prevent outbreaks. (MMWR)
  • Valley fever increased 62% from 2023 to 2024 in southern Utah, in part due to disturbed soil from real estate development. (Fox)
  • The risk of getting flu from touching contaminated surfaces is low, a new study found. (CIDRAP)

Best Questions:

Should restaurants in California and Utah be worried about Valley Fever this spring?

If you have employees working outdoors in the Southwest, the answer is increasingly yes. Valley Fever, a respiratory illness caused by a fungus in dry soil, is spreading into new regions and peaking in spring. California had nearly 9,000 cases last year, and public health experts are warning that this year could be worse: the West saw heavy winter rains followed by hot, dry, dusty conditions that can send fungal spores into the air. Infection happens when someone breathes in those spores—especially during outdoor work like landscaping, sweeping dusty patios, or working in windy conditions.

Most cases are mild, but Valley Fever can cause fatigue and lung symptoms that last for weeks—or longer. There’s no vaccine, so prevention is all about awareness. If you operate in a high-risk area (including Central and Southern California, Utah, and Arizona), consider training outdoor staff on symptoms and minimizing dusty conditions outdoors. N95 masks may also help on especially dusty or windy days, or if there’s nearby construction that’s stirring up soil.

Sources: NBC, Fox, CDC

Can bed bugs at home be a workplace issue?

Employees who have bed bugs at home can bring them into work via clothing or bags, leading to infestations in break rooms, lockers, or even guest areas. We’ve also had several issues with shared work items like ties and aprons. While bed bugs don’t transmit disease, they can cause panic—and if not handled discreetly, they can also lead to rumors and stigma.

The good news: it’s not that easy to spread bed bugs at work, and employees don’t need to be excluded. Ask employees with a known or suspected infestation to inspect clothing, shoes, and bags before work and leave personal items outside. 

We’ve seen very high levels of anxiety from coworkers when there’s a bedbug issue, so if it’s already being discussed among your staff, it’s best for your managers to stay calm, share accurate information, and address it before rumors start flying.

If an actual infestation is suspected at work, call a professional exterminator—many use bed bug detection dogs and can provide quick treatment plans. At home, employees should be encouraged (but not required) to seek professional extermination, which may require multiple visits. ZHH clients can check our app for a full action plan that's easy to send to managers.

Sources: ZHH, EPA

Best Read:

CDC’s communications teams have been gutted, and it’s not warning people about outbreaks or health threats like it was a few months ago. Their social media accounts going quiet is one thing (and a big one), but we’re most concerned about the silence of the Health Alert Network, which alerts the nation’s doctors and public health officers about emerging threats so that they know to look (and test) for them. It’s been over 2 months since the last HAN update, whereas before there were generally 1-2 per month. 

Diseases are spreading. The CDC isn’t warning the public like it was months ago | NPR