Michigan health officials warned residents Monday about three ongoing salmonella outbreaks affecting the state and 30 others.
As of Monday, 184 people across 31 states have been confirmed to be infected with one of the three strains: Salmonella Enteritidis, Salmonella Mbandaka and Salmonella Saintpaul.
One person from Washington has died, officials said.
Michigan is home to 21 cases, all from the Salmonella Saintpaul strain, though officials believe that number is much higher because not all cases get reported.
They added that more than a quarter of those cases are in children younger than 5 years old.
Only Kentucky, with 22 cases, has reported more salmonella infections connected to the outbreak.
Officials said the outbreaks are connected to backyard poultry, specifically baby poultry such as ducklings and chicks. They said salmonella bacteria is commonly found in the droppings of poultry, as well as the bird's feathers, feet and beaks.
The bacteria can also be found in the birds's cages, coops and their habitat.
Officials added the birds can carry the bacteria without appearing sick.
"While raising baby chicks and ducks can be fun and educational, poultry owners should be aware that chickens and other birds can carry germs that can impact human health," Michigan Chief Medical Executive Natasha Bagdasarian. "Washing your hands thoroughly before and after handling chicks and other poultry protects both you and your family from the risk of salmonella."
People can become infected with salmonella when they handle poultry or their cages and coops. The germs can then be moved onto the hands, shoes and clothing of those who handle the birds.
In the largest outbreak, officials said people are reporting contact with backyard poultry. Michigan health officials said they are working with the CDC and other states to find the source of the outbreak.
CDC
If a person becomes infected with salmonella, it can cause diarrhea, vomiting, fever and abdominal cramps lasting four to seven days or more. Infections can be especially serious for the very young, the very old and those with weakened immune systems.
Health officials recommend the following steps for people who raise backyard poultry:
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