The California Department of Public Health (CDPH) has detected the avian influenza or “bird flu” virus in a sample of a raw milk product. The product which was for sale at retailers at the time of the testing has now been recalled by the producer after the state of California requested it’s withdrawal from sale.

The affected product is cream top, whole raw milk produced and packaged by Raw Farm, LLC of Fresno County with lot code 2024110. The best buy date of the batch is 11. Nov, 2024 meaning consumers could still have it in their homes. No illnesses have currently been reported from this batch of milk, but people can take several days to develop bird flu after exposure. According to the World Health Organization, most people develop symptoms within 2-5 days, but can take up to 17 days to develop.

According to the CDC, bird flu symptoms may include fever or feeling feverish or chills, eye redness or irritation, and respiratory symptoms, such as cough, sore throat, runny or stuffy nose, muscle or body aches, headaches, and tiredness.

Customers should not consume any product matching the description above and should return the product to stores or dispose of it. The CDPH is also in the process of informing re also in the process of informing retailers about the infected product to notify them to remove it from their shelves. The CDPH has since visited both locations of the company’s farms and has found no further evidence of bird flu. The CDPH will continue to test the farm’s milk twice a week.

The CDPH stresses that there is no risk of consuming pasteurized milk as the milk is heated to temperatures which inactivate bacteria and viruses. However raw milk does not go through this process, meaning any bacteria or viruses in the milk can be transferred to the consumer. Public health departments, as well as the CDC have long warned against the dangers of consuming raw milk, which has been responsible for outbreaks of Listeria, E. coli, Campylobacter and Salmonella, among other microbes.

California has been hit with bird flu outbreaks in both dairy cow herds and poultry farms with over 400 dairy herds affected as of 22. November. Twenty-nine human cases have also been recorded in the state, mostly individuals who have had close contact with infected livestock. The numbers of infected individuals are likely to be under reported and very little is known about the severity of disease in humans so far. Just two days ago, the CDC confirmed a case of H5N1 bird flu in a child in California with no known contact with livestock.