Due to the Tick-Borne Disease Working Group's December 2022 sunset, there are no active members on the committee. Each iteration of the Tick-Borne Disease Working Group had 14 members - seven federal members and seven public members. Federal members represent the Office of the Assistant Secretary for Health, Food and Drug Administration, Centers for Disease Control and Prevention, National Institutes of Health, and other federal agencies or offices the Secretary of the U.S. Department of Health and Human Services determined appropriate. Public members represented the following categories: 1) physicians and other medical providers with experience in diagnosing and treating tick-borne diseases; 2) scientists or researchers with expertise; 3) patients and their family members; and 4) nonprofit organizations that advocate for patients with respect to tick-borne diseases. Voting members included Regular Government Employees (federal members) and Special Government Employees (public members) and were subject to conflict of interest laws and regulations.