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Mail-order chicks infecting children with salmonella, officials warn

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(CBS/AP) Mail-order chicks and ducklings might make for cute Easter gifts, but health officials are warning that kids are getting sick from them.

A single mail-order hatchery in the western U.S. has been linked to more than 300 cases of salmonella since 2004, a new study shows.

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The illnesses were detailed Wednesday in the New England Journal of Medicine. No one died, but three dozen people were hospitalized with bloody diarrhea or other symptoms. Health officials believe thousands more illnesses connected to the business were probably never reported.

An estimated 50 million live poultry are sold through the mail each year in the U.S. in a business that has been booming because of the growing popularity of backyard chicken farming as a hobby among people who like the idea of raising their own food. But the birds' feet, feathers, beaks and eggs could contain dangerous bacteria.

"Most people can tell you that chicken meat may have salmonella on it," said Casey Barton Behravesh of the Centers for Disease Control and Prevention. "But surprisingly, we found many people are not aware that live chicks and chickens can spread salmonella to people."

Salmonella germs have been known to cause illness for over 100 years, according to the CDC. The infection it causes - called salmonellosis - results in diarrhea, fever and stomach cramps 12 to 72 hours after infection. The illness typically lasts four to seven days and most people recover without treatment. However the elderly, infants and people with a weakened immune system are more likely to have severe illness.

The infection is usually contracted from food, but live animals can transmit it, too, because the bacteria can be in their feces.

Salmonella outbreaks have been linked to hatcheries for more than 50 years. And health officials have long warned that people can get salmonella from touching chickens - especially children, who tend to put their fingers in their mouths. The CDC actually says children under 5 shouldn't be allowed to touch chickens at all.

Health officials also advise people not to bring birds into their homes and to wash their hands thoroughly after handling live poultry.

About 20 hatcheries mail live chicks overnight in the U.S., supplying not only feed stores and farms but amateurs with backyard coops. The mail-order houses have been seeing record sales in recent years.

"It's all part of this greener, healthier lifestyle," said Behravesh, a veterinary epidemiologist.

Jonah McDonald, a 32-year-old Atlanta man who keeps three hens and insists a backyard egg tastes better, said he does not know of anyone who has gotten salmonella from handling chickens.

"The kids in my neighborhood come over and feed scraps to my chickens," he said. "It's a real community thing."

The CDC described an eight-year investigation into salmonella illnesses, with more than 80 percent of the cases tied to a single hatchery in the western U.S. While CDC officials refused to identify the business, a previous report on the investigation by the health agency indicated it is in New Mexico.

Investigators interviewed victims and concluded many had caught salmonella from touching chicks or ducklings, often at home. From there, most of the illnesses were traced to the hatchery.

Behravesh said the hatchery has taken steps to curb the spread of salmonella - including replacing equipment, adopting new egg-cleaning procedures and vaccinating chickens - and is not considered a health threat. She said she was not aware of any fines or penalties against the business over the outbreak.

During the eight years studied, the annual number of illnesses linked to the hatchery ranged as high as 84, with 29 cases last year and only one so far in 2012.

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