Across Bexar County, just over 1.39 million vaccine doses have been administered, as of May 10. 805,842 Bexar County residents have received at least one dose of the coronavirus vaccine, representing 51.9% of the county's population eligible to receive a vaccination. 620,301 Bexar County residents are fully vaccinated, representing 39.9% of the county's population eligible to receive a vaccination. 185,541 Bexar County residents (11.9%) have not yet received their second vaccine dose. Credit: KENS The Department of State Health Services defines "population" as residents who are 16 years of age or older; in Bexar County, this represents more than 1.55 million people. The CDC states that "when a high percentage of the community is immune to a disease (through vaccination and/or prior illness)," that community will have reached herd immunity, "making the spread of this disease from person to person unlikely."