As of September 2022, around 73 vaccines for COVID-19 were in phase II of development, while 32 vaccines were in phase III. This graph illustrates the number of medicines in the R&D pipeline for COVID-19 prevention and treatment worldwide, by development phase and type of medicine.
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PMPRB. (June 1, 2023). Number of medicines in the R&D pipeline for COVID-19 prevention and treatment worldwide as of 2022, by phase [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 27, 2026, from /statistics/1336184/medicines-in-research-development-pipeline-worldwide-covid/
PMPRB. "Number of medicines in the R&D pipeline for COVID-19 prevention and treatment worldwide as of 2022, by phase." Chart. June 1, 2023. ÌÇÐÄÆÆ½â°æ. Accessed July 27, 2026. /statistics/1336184/medicines-in-research-development-pipeline-worldwide-covid/
PMPRB. (2023). Number of medicines in the R&D pipeline for COVID-19 prevention and treatment worldwide as of 2022, by phase. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 27, 2026. /statistics/1336184/medicines-in-research-development-pipeline-worldwide-covid/
PMPRB. "Number of Medicines in The R&d Pipeline for Covid-19 Prevention and Treatment Worldwide as of 2022, by Phase." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 1 Jun 2023, /statistics/1336184/medicines-in-research-development-pipeline-worldwide-covid/
PMPRB, Number of medicines in the R&D pipeline for COVID-19 prevention and treatment worldwide as of 2022, by phase ÌÇÐÄÆÆ½â°æ, /statistics/1336184/medicines-in-research-development-pipeline-worldwide-covid/ (last visited July 27, 2026)
Number of medicines in the R&D pipeline for COVID-19 prevention and treatment worldwide as of 2022, by phase [Graph], PMPRB, June 1, 2023. [Online]. Available: /statistics/1336184/medicines-in-research-development-pipeline-worldwide-covid/