This Fact Sheet provides worker health and safety guidance to employers who operate swine farms and pork production facilities where workers are in close contact with pigs. The goal of this Fact Sheet is to protect workers exposed to pigs with known or suspected flu infection.
Influenza viruses typically spread through coughing or sneezing, and through contact with surfaces contaminated by flu viruses. It is important to recognize the signs of flu both in live swine and in swine farm workers so that appropriate precautions can be taken.
If pigs show these signs, even mildly, appropriate veterinary care should be provided.
Workers should be instructed in the following good hygiene practices:
Workers should be instructed to wash their hands:
Compliance with personal protective equipment recommendations can protect workers, protect live swine from people with flu, and reduce the chances of carrying the flu virus outside the worksite. Workers should be provided with appropriate protective equipment and instructions and training in protective equipment care and use. The following personal protective equipment is recommended for swine production workers when working with known or suspected flu-infected pigs:
Disposable N95 or higher NIOSH-certified filtering facepiece respirators are the minimum level of respiratory protection that should be worn by workers in contact with known or suspected fluinfected pigs. Workers must be medically cleared, must be fit tested with the respirator model that they will wear, and must be instructed in proper use and cleaning of the respirator, in accord with OSHA’s Respiratory Protection standard (29 CFR 1910.134).
Commonly used disinfectants, such as quaternary ammonium compounds or 10% bleach solutions, will kill flu viruses. Cleaning chemicals can cause skin, eye, nose, throat and lung irritation. Follow manufacturer’s instructions for use.
Workers should be provided with proper protective equipment when using cleaning chemicals.
Workers with a flu-like illness should stay home for at least 24 hours after the fever ends without the use of fever-reducing medicine. Biosecurity practices (e.g., shower-in/shower-out procedures, proper use, removal, cleaning or discarding of personal protective equipment, disinfectant footbaths) should be enforced.
Employers should refer swine production workers with flu symptoms for medical evaluation. Employers may consider establishing a referral relationship with healthcare professionals with experience in occupational health of agricultural workers.
Vaccinations are the most powerful public health tool for preventing flu transmission. Vaccination of swine production workers with the seasonal flu vaccine will help prevent the spread of seasonal flu among people and from people to live swine. Employers should consider providing the seasonal flu vaccine to their workers who come in contact with pigs.
Workers should know the:
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This fact sheet is not a standard or regulation, and it creates no new legal obligations. It contains recommendations as well as descriptions of mandatory safety and health standards. The recommendations are advisory in nature, informational in content, and are intended to assist employers in providing a safe and healthful workplace. The Occupational Safety and Health Act requires employers to comply with safety and health standards and regulations promulgated by OSHA or by a state with an OSHA-approved state plan. In addition, the Act’s General Duty Clause, Section 5(a)(1), requires employers to provide their employees with a workplace free from recognized hazards likely to cause death or serious physical harm. This information will be made available to sensory impaired individuals upon request. The voice phone is (202) 693-1999; teletypewriter (TTY) number: (877) 889-5627.
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