May 22, 2021 06:04 Updated Follow The vaccine (shot) is authorized for use in people ages 16 years and older. Related articles Who should NOT get the Pfizer COVID-19 vaccine (shot)? How old does someone have to be to get the Moderna vaccine (shot)? What if I miss the appointment for my second shot? I’m pregnant. Can I get a vaccine? Who should get the Moderna COVID-19 vaccine once they become eligible?