California health officials are warning not to drink another lot of raw milk from Fresno-based Raw Farm after it tested positive for bird flu virus. More testing of Raw Farm products is underway, the state said.

The detection of bird flu virus this week in a batch of unpasteurized milk sold in California underscores what health experts say are the known and potential risks of the products.

New research and discussions with dairy farmers in the Central Valley suggests H5N1 bird flu is more widespread among people than the reported numbers indicate.

Bird flu virus has been found in a batch of raw milk sold in California, and consumers should not drink it, the state Department of Public Health warned Sunday.

The H5N1 virus was found in a sample of unpasteurized milk at a store, prompting a recall of one batch. Health agencies have warned against the growing dietary fad.

California health officials announced Wednesday that another batch of raw milk from Fresno-based Raw Farm has tested positive for bird flu virus, as dairy farms throughout the state continue to struggle with a widening number of outbreaks.

Public health officials have discovered bird flu in a batch of raw milk being sold in California stores. The Santa Clara County Public Health Department discovered the contamination in a batch of "cream top,

California health officials detected bird flu in raw milk from Raw Farm, raising concerns about the virus's spread. Though no illnesses are linked, experts warn against consuming raw milk due to its risk of foodborne pathogens.

The circumstances and positive testing of a raw milk sample in California don't make sense, say experts. Something is amiss.

Raw Farm has recalled its cream top raw milk after bird flu virus was found in a retail sample of the raw milk product over the weekend.