HCAs are designated areas where prairie dogs exist in natural settings with natural disturbance regimes, without being disrupted by external forces.

Source: https://www.dailycamera.com/2023/12/08/boulder-county-residents-express-concerns-at-annual-prairie-dog-management-meeting/

HCAs at Mid-Cheshire are the third group of workers to take action on this issue.

Source: https://www.cheshire-live.co.uk/news/chester-cheshire-news/hundreds-nhs-staff-across-mid-27875154

One element of the sprawling home care industry is homemaker companion agencies (HCAs), which are overseen by the state Department of Consumer Protection.

Source: https://ctmirror.org/2023/04/02/ct-home-care-program-for-elders-regulation/