World Health Organization (WHO)

Last Updated 21 April 2021.

4 Vaccines Approved for Use by WHO

• Pfizer/BioNTech
  BNT162b2

  • Phase 1
  • Phase 2
  • Phase 3
  • Approved

  This vaccine is approved.

  Approved in 83 countries

  18 trials in 12 countries

  RNA

• Janssen (Johnson & Johnson)
  Ad26.COV2.S

  • Phase 1
  • Phase 2
  • Phase 3
  • Approved

  This vaccine is approved.

  Approved in 40 countries

  8 trials in 17 countries

  Non Replicating Viral Vector

• Oxford/AstraZeneca
  AZD1222

  • Phase 1
  • Phase 2
  • Phase 3
  • Approved

  This vaccine is approved.

  Approved in 91 countries

  24 trials in 15 countries

  Non Replicating Viral Vector

• Serum Institute of India
  Covishield

  • Phase 1
  • Phase 2
  • Phase 3
  • Approved

  This vaccine is approved.

  Approved in 33 countries

  2 trials in 1 country

  Non Replicating Viral Vector