COMAL COUNTY, Texas – Comal County’s COVID-19 vaccine standby list is now open, and the county is encouraging seniors to register to get on the list. If you are 65 or older, you can sign up to get the vaccine in the state of Texas. The total in Comal County is 30,200. If you fall under that phase, you can begin to sign up on the standby list on March 15. According to officials, signing up for the standby list does not guarantee you’ll get a spot for the vaccine.