![U.S. To Review J&J Shot After 6 Blood Clot Cases Reported Out Of Nearly 7M Doses : Coronavirus Updates : NPR U.S. To Review J&J Shot After 6 Blood Clot Cases Reported Out Of Nearly 7M Doses : Coronavirus Updates : NPR](https://media.npr.org/assets/img/2021/04/13/ap21065661043422-c7d09feb7a545d0f9a49a14bcd59e3d7043d055d.jpg)
U.S. To Review J&J Shot After 6 Blood Clot Cases Reported Out Of Nearly 7M Doses : Coronavirus Updates : NPR
![How Effective Is the Johnson & Johnson COVID-19 Vaccine? Here's What You Should Know | UC San Francisco How Effective Is the Johnson & Johnson COVID-19 Vaccine? Here's What You Should Know | UC San Francisco](https://www.ucsf.edu/sites/default/files/styles/half__image/public/2021-03/COVID19-J%26JVaccine-vial-syringe-Ramirez.jpg)
How Effective Is the Johnson & Johnson COVID-19 Vaccine? Here's What You Should Know | UC San Francisco
![Batch of Johnson & Johnson vaccines 'can't be used' after ingredient issues | Vaccines and immunisation | The Guardian Batch of Johnson & Johnson vaccines 'can't be used' after ingredient issues | Vaccines and immunisation | The Guardian](https://i.guim.co.uk/img/media/9a53f3bf46315ee8359fd12c5bac482226e0b634/0_0_4489_2695/master/4489.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=85a1721e44f53f3affd5b8a27ef786dc)
Batch of Johnson & Johnson vaccines 'can't be used' after ingredient issues | Vaccines and immunisation | The Guardian
![Johnson & Johnson vaccine booster shot prompts large increase in immune response, company says | CNN Johnson & Johnson vaccine booster shot prompts large increase in immune response, company says | CNN](https://media.cnn.com/api/v1/images/stellar/prod/210824184845-johnson-and-johnson-vaccine-vials.jpg?q=x_177,y_198,h_1018,w_1810,c_crop)
Johnson & Johnson vaccine booster shot prompts large increase in immune response, company says | CNN
![New Johnson & Johnson data shows second shot boosts antibodies and protection against COVID-19 – but one dose is still strong against delta variant New Johnson & Johnson data shows second shot boosts antibodies and protection against COVID-19 – but one dose is still strong against delta variant](https://images.theconversation.com/files/423187/original/file-20210924-3841-key6pj.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=1200&h=1200.0&fit=crop)
New Johnson & Johnson data shows second shot boosts antibodies and protection against COVID-19 – but one dose is still strong against delta variant
![Johnson & Johnson on Twitter: "New data show our single-shot #COVID19 vaccine generated strong, persistent activity against rapidly spreading Delta variant & other SARS-CoV-2 viral variants. https://t.co/FFWOCzcRap The Janssen COVID-19 Vaccine has Johnson & Johnson on Twitter: "New data show our single-shot #COVID19 vaccine generated strong, persistent activity against rapidly spreading Delta variant & other SARS-CoV-2 viral variants. https://t.co/FFWOCzcRap The Janssen COVID-19 Vaccine has](https://pbs.twimg.com/media/E5S4xheWUAgsw1r.jpg:large)