What do you need to know about the Johnson & Johnson vaccine? A Hartford HealthCare doctor breaks it down.

The content below has been provided by Hartford HealthCare and has no editorial input from News 12 Connecticut.
The Food and Drug Administration has authorized a third COVID-19 vaccine from Johnson & Johnson’s showing their one-dose vaccine offers substantial protection against severe illness and death from the virus.
The FDA called the vaccine safe and effective after reviewing data from clinical trials. In those clinical trials, Johnson & Johnson’s vaccine had a 72% overall efficacy rate in the United States.
Some vaccine perspective: The seasonal flu vaccine ranges from 40% to 60% effectiveness, depending on the year’s strain.
For more information, log onto HartfordHealthCare.org/Vaccines.