January 23, 2026

Public Announcement  

                         

Chickenpox (Varicella) Exposure at Tséhootsooí Medical Center Emergency Department

FORT DEFIANCE, AZ – Fort Defiance Indian Hospital Board (FDIHB) has confirmed that a person infectious with varicella (chickenpox) was in the Tséhootsooí Medical Center Emergency Department and Fast Track waiting areas on Wednesday, January 21st, 2026 leading to a potential exposure for individuals who were in this location from 10:15 AM - 12:15 PM on this date.

What is Varicella (chickenpox): Varicella (chickenpox) is a highly contagious viral disease that causes a blister-like rash, itching, tiredness and fever. Chickenpox can have serious complications in babies, pregnant people and those with weakened immune systems. People who have previously had chickenpox or who have received 2 doses of the varicella vaccine are not at risk.

What to do if you were at the specified location on the date and time of exposure:

  • Individuals who were in this location and know that they have never had chickenpox and have not received 2 doses of the varicella vaccine should contact Tséhootsooí Medical Center as soon as possible at 928.729.8000, because receiving the vaccine or immune globulin within 5 days after the exposure can prevent illness.
  • Anyone who develops varicella symptoms should stay home and seek medical attention if symptoms become severe.

The best way to prevent varicella (chickenpox) is to be vaccinated with a varicella-containing vaccine. Talk to your healthcare provider to make sure you and your family are up to date on vaccines. Vaccines are provided at Tséhootsooí Medical Center Primary Care Clinic 928.729.8032 and Pediatric Clinic 928.729.8710

For more information about Varicella (chickenpox) visit: https://www.cdc.gov/chickenpox/about/index.html

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