The CDC reports that more than 1000 people have been infected with a toxic form of Salmonella, almost certainly from contact with backyard poultry.
Among these cases of illness, 23% are among children under the age of 5 years.
The link to backyard poultry comes from epidemiologic and laboratory evidence.
The CDC warns owners of backyard poultry to take steps to avoid acquiring Salmonella from their poultry
This problem has become so serious that the CDC has a webpage devoted to the safety of backyard poultry.
Best to follow its advice.