Hazard Recognition. The CDC estimates that 5.6 million workers in the health care industry and related occupations are at risk of occupational exposure to bloodborne pathogens, including human immunodeficiency virus (HIV), hepatitis B virus (HBV), hepatitis C virus (HCV), and others.
The other dairy I visited is called Fair Oaks Farms. Owned by nine families, it is located near an interstate highway that bisects flat corn, alfalfa, and soybean fields in Indiana. Fair Oaks is one of the largest dairy farms in the United States. It houses 30,000 cows and produces enough milk to slake the thirst of the entire city of Chicago, which is located 75 miles to the north.
1 Today there are more than 9.2 million dairy cows in the U.S., on 60,000 farms, producing 21 billion gallons of milk each year. (Source: Dairy Farming Today)  About 99% of all U.S. dairy farms are family-owned and operated. The majority (77%) have less than 100 cows.