Health Services

COVID-19 Vaccine Availability

COVID-19 vaccines are available to all U.S. citizens and residents. There are three approved vaccines; Johnson & Johnson/Janssen, Pfizer-BioNTech-Comirnanty, and Moderna. All three vaccines are safe and effective against COVID-19 and its variants.

Find a local vaccine site. 

TRICARE Beneficiaries

We offer COVID-19 vaccine appointments for beneficiaries to receive COVID-19 vaccines through IACH which include Moderna on Mondays, Pediatric Pfizer on Wednesday Mornings and Pfizer on Fridays.

Recommended Third Shot

If you have an immune system that is moderately to severely compromised, the CDC recommends you may receive an additional dose of mRNA COVID-19 vaccine (Pfizer or Moderna). This would be at least 4 weeks after your second dose. 


All adult TRICARE beneficiaries age 18 or older who received Pfizer-BioNTech or Moderna COVID-19 vaccine primary two-dose series are eligible for a single COVID-19 booster shot six or more months after the initial series. All teens age 16 - 17 are eligible to receive Pfizer-BioNTech COVID-19 booster vaccine.

Adult beneficiaries age 18 or older who received the Johnson & Johnson/Janssen COVID-19 vaccine primary dose are eligible for a single COVID-19 vaccine booster dose two or more months after the initial dose.

Administration of a booster is provided only at Irwin Army Community Hospital. To schedule a booster appointment, visit the MHS GENESIS Patient Portal at or call 785-239-DOCS or 785-239-3627.






COVID-19 Vaccine Appointments

MHS GENESIS Patient Portal - IACH Immunization Clinic


Don't forget to keep your family's information up-to-date in DEERS.