The outbreak spans 49 states, and of those infected, 175 have been hospitalized and two people have died, one person in Texas and another in Ohio. Ohio has had the most cases, 73.
Whole genome sequencing and interviews with the infected population has shown that the likely source of the outbreak is contact with backyard poultry, including chicks and ducklings, from multiple hatcheries.
Salmonella symptoms include diarrhea, fever and stomach cramps. Deaths from infections are rare.
The CDC urges people with backyard poultry to wash their hands with soap and water immediately after coming into contact with the animals. Backyard fowl should not be let inside the house, especially in areas with food or drink, the agency warned.
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