12 vaccines against COVID-19 that have authorization for use in various locations around the world. Vaccine developers worked under unprecedented conditions to develop vaccines against COVID-19 after the emergence of the SARS-CoV-2 virus in late 2019.
It took less than a year for the first COVID-19 vaccines to gain authorization for use. While this is significantly faster than for all other vaccines, developers leveraged existing vaccine technology and a concerted global effort — working alongside health authorities such as the Food and Drug Administration (FDA) — to work at this pace.Stay informed with live updates on the current COVID-19 outbreak and visit our coronavirus hub for more advice on prevention and treatment.In this Special.