Raw milk linked to outbreak

Milk is one of the easiest foods for germs to travel in, because it is full of water, sugar, and protein and goes straight from an animal’s udder into a bottle. Pasteurization is the step that briefly heats milk to kill those germs before people drink it. (cdc.gov) Raw milk skips that heating step, so whatever is in the milk can stay in the milk. The Centers for Disease Control and Prevention says raw milk can carry bacteria including Salmonella, Campylobacter, Listeria, and Escherichia coli, which is usually shortened to E. coli. (cdc.gov) That basic risk turned into a real outbreak in March 2026. On April 3, 2026, the Centers for Disease Control and Prevention said federal and state officials were investigating a multistate E. coli outbreak linked to raw cheese and raw milk sold by Raw Farm, LLC in California. (cdc.gov) The outbreak was not just a few upset stomachs. The Centers for Disease Control and Prevention said more than half of the illnesses were in children under 5, which is the age group most likely to get dangerously dehydrated or develop kidney complications from this strain. (cdc.gov) California health officials tied the investigation to RAW FARM brand raw cheddar cheese and warned that raw milk products can contain harmful germs. A county posting that reproduced the California Department of Public Health alert said the cheese was linked to Shiga toxin-producing E. coli O157 in multiple states. (sierracounty.ca.gov) The Food and Drug Administration then posted a recall for specific RAW FARM cheddar products, including 8-ounce, 16-ounce, and 80-ounce packages with expiration dates running into August and September 2026. The recall notice said consumers should not eat the listed batches. (fda.gov) Now add bird flu to the picture. Highly pathogenic avian influenza H5N1 is a bird flu virus that has spread beyond birds into dairy cattle in the United States, which means milk is no longer only a bacteria story. (fda.gov) Federal health agencies have been blunt about the weak point in that chain. The Food and Drug Administration says infected cattle shed H5N1 virus in their milk, and the Centers for Disease Control and Prevention says people who drink raw milk from infected animals have a higher chance of exposure than people who drink pasteurized milk. (fda.gov) (cdc.gov) The human risk from drinking contaminated raw milk is still being studied, but the public-health advice is already clear. The Centers for Disease Control and Prevention tells clinicians to warn patients not to consume unpasteurized milk or dairy products made from it because of H5N1 concerns. (cdc.gov) Veterinarians are saying the same thing from the animal side. In a 2025 dvm360 interview, veterinarian Deborah Thomson said H5N1 can move from wild birds to farm animals through contaminated feed and water and may pose a risk to people through raw meat or milk. (dvm360.com) Los Angeles County veterinary public health officials have already described what that can look like in homes. Their H5 bird flu guidance says nine cats from five households in late 2024 had confirmed infections after consuming raw milk, raw meat, or raw pet food that was later recalled or suspected of contamination. (publichealth.lacounty.gov) So the practical rule in April 2026 is simple: if a dairy label says raw, unpasteurized, or made from raw milk, leave it on the shelf. The bacteria risk is established, the E. coli outbreak is current, and pasteurization is still the step that turns milk from a gamble into a routine grocery item. (cdc.gov 1) (cdc.gov 2)