PRE-CLINICAL
184
vaccines
are being explored in lab experiments and animals
PHASE 1
30
vaccines
are undergoing safety tests in healthy young individuals
PHASE 2
28
vaccines
are being tested in broader groups of people
PHASE 3
21
vaccines
are in large international trials to test their impact on COVID-19
APPROVED
13
vaccines
are approved and licensed for general use
PHASE 4
5
vaccines
are being monitored in the wider population after being approved