https://www.siliconvalley.com/2021/02/26/why-americans-shouldnt-turn-their-noses-up-at-johnson-johnsons-vaccine/

With Johnson & Johnson’s Covid-19 vaccine on the verge of being authorized for emergency use by the US Food and Drug Administration, Americans are taking another look at the vaccine and it’s data. And what they see might initially give them pause.

For several months, public health experts have praised the approximately 95% efficacy seen in vaccines by Pfizer-BioNtech and Moderna. But the data surrounding the Johnson & Johnson vaccine, developed by the company’s vaccine arm, Janssen, falls short of that figure.