J&J vaccine

16.5.2022: https://www.samrc.ac.za/media-release/sisonke-study-shows-real-world-vaccine-effectiveness-against-omicron

https://ewn.co.za/2022/05/17/j-and-j-covid-vaccine-is-effective-against-omicron-sub-variants-sisonke-research J&J COVID vaccine is effective against Omicron sub-variants – Sisonke research

5.5.2022: https://www.theguardian.com/world/2022/may/05/us-johnson-johnson-covid-vaccine-blood-clot

5.5.2022: limited use in USA due to adverse effects: https://www.nytimes.com/2022/05/05/us/politics/johnson-vaccine-fda-covid.html?smid=fb-nytimes&smtyp=cur&fbclid=IwAR0h3mqCl3QYCN00CJj2foa5f24v9cj6ze_9a2wOgLjG_sGGOip9vtAYqfk