Photo: A Vial of Vaccine

March 30, 2021, 9:12 a.m. | By Audrey Haverland | 3 years, 2 months ago

A nurse holds up a vial of the Johnson and Johnson vaccine. Unlike the Moderna and Pfizer vaccines, which require a second booster shot, Johnson and Johnson is a single-dose shot that is shown to protect against Covid-19.

Last updated: March 30, 2021, 9:18 a.m.

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