Vaccines require research and trial, however few became approved/pre-approved/limited use/emergency use.
Currently 91 vaccine exists, category will be the following :
Phase 1 : Safety and Dosage (44)
Phase 2 : Expanded Safety Trials (21)
Phase 3 : Large population efficacy test (18)
Limited : Early/Limited Use (5)
Approved : Safety and Dosage (3)
Abandoned: Safety and Dosage (1)
Top 3 Vaccine in 2020/2021
Recent updates :
Dec. 24 Iran enters Phase 1.
Dec. 23 Canada approves the Moderna vaccine.
Dec. 22 Maryland-based Altimmune enters Phase 1.
Dec. 21 The European Union authorizes the Pfizer-BioNTech vaccine.
Dec. 19 Kazakhstan moves to Phase 2.
Dec. 18 The F.D.A. authorizes Moderna’s vaccine for emergency use.
Dec. 18 Cuba’s Soberana 2 vaccine moves to Phase 2.
Dec. 17 Japan’s Shionogi launches a Phase 1/2 trial.
Dec. 17 South Korea’s GeneOne enters Phase 1/2.
Dec. 17 Clover Biopharmaceuticals moves to Phase 2/3.
Dec. 16 Russia’s Vector Institute moves to Phase 3.
Dec. 16 French vaccine maker Valneva enters Phase 1/2.
Source: https://www.nytimes.com/interactive/2020/science/coronavirus-vaccine-tracker.html
