A COVID-19 vaccine clinic for the Johnson & Johnson vaccine will be held Monday, October 18, from 11:00 a.m. to 2:00 p.m. at the City Hall Annex at 50 Evergreen Ave. Pre-registration is highly encouraged to reduce wait times. Pre-register at somervillema.gov/vaccine. Walk-ins will be accepted per vaccine availability. The clinic is free, and open to all people 18 years or older, regardless of immigration status or health insurance. Identification is not required. If you need assistance, please call 311 (617-666-3311).