...Melioidosis, also known as Whitmore's disease, is a bacterial infection usually found in Southeast Asia and northern Australia. The bacteria causing the infection is usually found in contaminated waters and soils, and spread within both animals and humans through contact with the contaminated source. Ingestion and contact with skin abrasions are the most common vehicles of infection.

Recent genome sequencing at the CDC headquarters in Atlanta confirms that four cases of melioidosis are in the U.S., with two being fatal.

...

After testing more than 100 soil and water samples near the patients' homes, none came back positive for the bacteria that causes melioidosis.

This leaves public health officials to believe that the cause is most likely an imported product or an ingredient found within an import, such as a food, beverage, cleaning product, or medicine.

https://thehill.com/changing-america/well-being/medical-advances/567211-alarming-cdc-report-says-new-tropical-disease