A third coronavirus vaccine, developed by Johnson & Johnson, was cleared for emergency use by the U.S. Food and Drug Administration on Saturday. Unlike the other vaccines, it’s a single-dose shot and doesn’t require ultracold storage. It’s expected to speed up how fast herd immunity is reached.
How many doses of the Johnson & Johnson vaccine are required?
At what temperature does the J&J vaccine need to be stored before injection into the recipient?
What about the properties of the J&J vaccine makes it easier to vaccinate more people more quickly than others?
Where is the J&J vaccine in the bureaucratic approval process?
Are there more vaccines in the works?
How does the Johnson & Johnson vaccine work, and how is Johnson & Johnson’s vaccine different from the Moderna and Pfizer-BioNTech vaccines?
How does the efficacy compare with the other vaccines?