You can check vaccination sites in nearby ZIP codes for open appointments, or you can keep checking back because new appointments are added often. The second dose of the Pfizer vaccine is typically given 3 weeks after the first dose, and the second dose of the Moderna vaccine is typically given 4 weeks after the first dose, especially for anyone who is immunocompromised.
The Centers for Disease Control and Prevention says an 8-week interval between the first and second mRNA doses (Pfizer or Moderna) may be best for some people age 12 and older, especially for males ages 12 to 39. Learn more here or talk with your healthcare provider.
Please remember that the Johnson & Johnson (Janssen) primary vaccine is only one dose. For more detailed information, visit https://www.cdc.gov/vaccines/covid-19/info-by-product/clinical-considerations.html.