Now the COVID-19 infections are winding down, we follow the information published at Montgomery County Portal: https://montgomerycountymd.gov/covid19/
For COVID-19 vaccine information, please visit: https://www.cdc.gov/vaccines/covid-19/downloads/COVID-19-immunization-schedule-ages-6months-older.pdf
or
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/stay-up-to-date.html