![Learn key facts about how the Johnson & Johnson vaccine works, how it has been studied, how it would be transported—and more. Learn key facts about how the Johnson & Johnson vaccine works, how it has been studied, how it would be transported—and more.](https://jnj-content-lab.brightspotcdn.com/dims4/default/96d6cb2/2147483647/strip/true/crop/2134x6709+0+0/resize/870x2735!/quality/90/?url=http%3A%2F%2Fjnj-brightspot.s3.amazonaws.com%2F23%2Fb8%2F4f6104fd4d119f2bf7207d6434e3%2Fcovid-19-infographic-3.jpg)
Learn key facts about how the Johnson & Johnson vaccine works, how it has been studied, how it would be transported—and more.
Colorado Department of Public Health & Environment on Twitter: "There are currently three FDA-authorized COVID-19 vaccines from the companies Pfizer, Moderna, and Janssen (Johnson & Johnson). These vaccines are shown to be
![Recruitment Begins for Two-Dose, Phase 3 Clinical Trial of Janssen's COVID-19 Vaccine Candidate | UKNow Recruitment Begins for Two-Dose, Phase 3 Clinical Trial of Janssen's COVID-19 Vaccine Candidate | UKNow](https://uknow.uky.edu/sites/default/files/styles/uknow_story_image/public/Screen%20Shot%202021-02-08%20at%2011.24.09%20AM_0.png)