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Published: July 29, 2025

Read Time: 1.6 Mins

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In this episode of Inside Outbreaks, Dr. Jay Varma and Dr. Jon Epstein explore two escalating infectious disease threats in Florida—both tied to the warming climate and expanding human development: Vibrio vulnificus, a deadly bacteria linked to raw oysters, and Chagas disease, a life-threatening parasitic infection spread by kissing bugs.

What does this mean for summer travelers and Florida residents? Are your oysters safe? Could your backyard woodpile harbor heart disease–spreading insects?

Drs. Varma and Epstein guide us through:

  • The rising danger of Vibrio vulnificus in Florida’s coastal waters, including four deaths reported in July 2025 alone.
  • How climate change is lengthening the warm-water season, increasing the survival of this bacteria in oysters and posing severe risks to anyone with open wounds entering the water.
  • Safe shellfish preparation techniques to protect yourself and your family—especially during peak summer months.
  • The surprising spread of Chagas disease, historically seen in Latin America, now increasingly found in Florida homes.
  • Scientific findings from a 10-year kissing bug study: human blood detected in the bugs’ stomachs, and one-third carrying Trypanosoma cruzi, the parasite responsible for heart failure.
  • Public health guidance for protecting pets and preventing exposure to vector-borne disease through smarter land use, personal insect protection, and awareness of woodpile habitats.

Through engaging conversation, clinical insight, and firsthand global experience, Varma and Epstein demystify the science, offering practical advice with a healthy dose of wit (fried oyster po’ boy, anyone?).

Whether you’re planning a beach vacation or simply care about climate-related health threats, this episode is packed with must-know facts, prevention tips, and larger implications for our changing world.

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