March 31, 2021 12:21 Updated Follow The Pfizer and Moderna vaccine require two doses. The Johnson & Johnson (Janssen) vaccine requires one. Related articles For how long will vaccination protect me from getting COVID-19? Can an elderly individual use an expired photo ID for proof of age? I heard there are extra vaccines (shots) just laying around not being given. Is this true? What questions will I be asked when I sign up for a vaccine (shot) appointment? I’ve heard that some vaccination sites are offering a waitlist for vaccine doses that weren’t used during the day. Can I get on those waitlists?