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Required Use: When respirators are required by an OSHA standard or by the employer, the employer must be in full compliance with all applicable sections of OSHA's Respiratory Protection Standard (29 C.F.R.
All employers shou
Under the Occupational Safety and Health Act of 1970, 29 U.S.C. § 651 et seq. (the OSH Act), OSHA’s statutory mission is to ensure safe and healthful working conditions for workers by setting and enforcing standards and by providing training, outreach, education, and assistance.
Respiratory viruses cause illnesses t
Under the OSH Act, employers have the responsibility to provide a safe and healthy workplace and must take steps to address occupational safety and health hazards. Respiratory viruses can cause significant illnesses, and there are many measures that employers can take to address risks associated with workplace exposure to respiratory illnesses.
OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.
January 20, 2026
Kenneth M. Brown
Consolidated Nuclear Security, LLC
301 Bear Creek Rd.
P.O. Box 2009
Oak Ridge, TN 37831-8014
Dear Mr. Brown:
This section highlights various OSHA standards, regulations, and documents related to protecting workers from mosquito bites and mosquito-borne diseases that are considered work-related.
The General Duty Clause of the OSH Act requires employers to provide their workers with a safe workplace free from recognized hazards that are causing or are likely to cause death or serious physical harm.
