​Two men fell gravely ill; infections linked to 1980s

Two men fell gravely ill days apart in September 2024 with a tropical bacterium not known to spread easily between people—and neither had recent travel to endemic regions.

Genome sequencing connected their infections to two earlier local cases—from 1983 and 1989—revealing one highly related strain across four cases in the same Georgia county.

The pathogen is Burkholderia pseudomallei, a lethal soil bacterium that causes melioidosis and typically lives in Southeast Asia and northern Australia; the US has confirmed environmental footholds in the Gulf states.

Researchers suspect Hurricane Helene churned contaminated soil and water; both 2024 patients worked outdoors that day, exposed to mud, dust, strong winds, and ~10 inches of rain.

If B. pseudomallei has persisted locally for decades, storms and flooding may spike cases—and usual “no travel” assumptions could delay diagnosis, when early, targeted antibiotics save lives.

For outdoor workers after floods: wear protective gear, clean wounds quickly, and seek care for fever, cough, chest pain, or sepsis symptoms; clinicians should consider melioidosis even without travel history.

Climate extremes may expand soil and water pathogens’ range; tracking with environmental sampling and sequencing can spot hidden reservoirs before outbreaks grow