San Francisco, Aug. 5 -- A contamination of raw milk from a Florida farm has sickened at least 21 people and prompted the state authorities to issue a health alert, U.S. media reported on Monday.

The 21 people, including six children aged under 10, have been confirmed infected with the E. coli and Campylobacter bacteria related to raw milk from the farm in the U.S. southeastern state of Florida, and local health authorities have warned against drinking unpasteurized milk.

Seven people affected by the bacteria have been hospitalized, with two of them hit by severe complications, said the reports.

The Florida Department of Health has warned the public against drinking raw milk. It blamed the bad sanitation practices at the involved farm...