#USA, #California: Confirmed #H5 #Birdflu Detected in #LA County #Cats That Consumed Recalled Raw #Milk - Public Health Investigating Additional Possible Cases in Cats

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The Los Angeles County Department of Public Health has confirmed two cases of H5 bird flu in cats that consumed recalled raw milk from Raw Farm, LLC. In addition, Public Health is investigating three other possible cases of H5 bird flu in three cats from a different household.

The confirmed two infected indoor cats from one household consumed raw milk linked to a recall of raw milk and cream products prior to onset of symptoms, which included lack of appetite, fever and neurologic signs. The infected cats died after severe worsening of their illness, and subsequently tested positive for Influenza A, a rare result in cats. Public Health received the results of confirmatory testing, which confirmed the infection of H5 bird flu. Additional pets in the home are under quarantine.

Public Health is now investigating additional possible cases of H5 bird flu in three cats from a different household. One cat has tested positive for Influenza A, a rare result in cats. Two other cats, which have died after worsening respiratory illness, are presumed to have also been positive for Influenza A. Public Health is awaiting confirmatory testing. These cats were not known to be exposed to raw milk, however public health is investigating other possible sources of infection, including raw meat.

The nationwide H5 bird flu outbreak has seen other cats infected with the virus after consuming infected raw milk.

People who had direct contact with the cats are monitoring for symptoms and have been offered antiviral prophylaxis. There have been no human cases of bird flu associated with exposure to these cats yet identified. The investigation is ongoing.

Although human cases of bird flu are rare and the risk to residents remains low, this detection of H5 bird flu in cats who consumed raw milk underscores the importance of being proactive about preventing ongoing transmission of the virus.

“The risk of H5 bird flu remains low in Los Angeles County, but these confirmed cases of the virus in pet cats are a reminder that consuming raw dairy and meat products can lead to severe illness in cats," said Dr. Barbara Ferrer, Ph.D., M.P.H., M.Ed., Director of the Los Angeles County Department of Public Health. “To avoid the spread of disease, including H5 bird flu, we strongly encourage residents and their pets to avoid raw dairy and undercooked meat products, limit contact with sick or dead animals, report sick or dead birds and keep pets or poultry away from wild animals and birds.”

Cats may be exposed to H5 bird flu by consuming infected birds or other animals, being in environments contaminated with the virus, and consuming unpasteurized milk from infected cows. Cats infected with H5 bird flu may develop severe illness that can include fever and neurologic signs, and that can rapidly progress to death. Transmission of the H5 bird flu virus from mammal to mammal can occur. Cats have transmitted another influenza strain to humans, but there have been no known cases to date of H5 bird flu transmitted from cats to humans as part of this nationwide H5 bird flu outbreak.

Raw milk, which is milk that has not been pasteurized, can carry harmful germs including influenza. These germs can present serious health risks to you, your family, and your pets. Anyone can become sick from drinking raw milk or consuming raw milk products. The people at the highest risk for severe illness include people who are pregnant, adults 65 years and older, children younger than 5 years, and people with weakened immune systems.

Public Health continues to strongly encourage residents to avoid consuming raw milk and to not feed it to their pets; this includes frozen raw milk products since freezing does not eliminate harmful germs that can cause illness. Pasteurized milk remains safe to drink.

Symptoms of H5 bird flu infection in humans include eye redness or discharge, cough, sore throat, runny or stuffy nose, diarrhea, vomiting, muscle or body aches, headaches, fatigue, trouble breathing and fever.

Anyone who has consumed these specific recalled raw milk products and is experiencing symptoms should immediately contact their health care provider or local health department.

Samples from birds, cats, and wild mammals in LA County continue to be tested for H5 bird flu at our Public Health Laboratory. In addition, the Public Health Laboratory routinely tests clinical specimens from humans for H5 bird flu as part of ongoing surveillance.

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Source: Los Angeles County Public Health Department, http://publichealth.lacounty.gov/phcommon/public/media/mediapubhpdetail.cfm?prid=4908

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