The case is travel-related, according to the release, and the patient has been self-quarantined since their arrival in the community.
They have had no contact with other local members of the public.
“Declaring a disaster activates our emergency management plan and gives Comal County the tools to take further action as it becomes necessary,” Krause said in the press release.
The declaration is effective for seven days, but the Commissioners Court will hold a special meeting March 24 at 8:30 a.m. to extend it.
Comal County's emergency operations center has been activated, and plans to maintain county services have been put in motion.
The county is asking residents to follow guidelines regarding gatherings and social distancing as published by the Centers for Disease Control and Prevention.
Information updates will continue to be posted on the office of public health's website.
Residents with questions or concerns about the coronavirus can call a dedicated hotline, 830-221-1120, between 8 a.m. and 5 p.m. Monday through Friday, according to the release.