Russian health officials have approved a single-dose version of the Sputnik V vaccine. Sputnik Light has showed nearly 80 per cent efficacy in tests. The single dose Sputnik Light vaccine demonstrated 79.4% efficacy according to analyzed data taken from 28 days after the injection was administered as part of Russia’s mass vaccination program...

Details Background: The Gamaleya Research Institute in Russia is testing their non-replicating viral vector COVID-19 vaccine candidate, Sputnik V (formerly Gam-COVID-Vac), in two Phase 1/2 trials. The trials recruited about 38 participants each to receive the vaccine candidate (NCT04436471) (NCT04437875).   Outcomes...