The Russian 'Sputnik V' vaccine for COVID-19 has arrived in India following the nod to Pharma major Dr Reddy's Laboratories to conduct an adaptive phase 2/3 human clinical trial for the vaccine in the country. In a video that surfaced, containers with logos of Dr Reddy's & Sputnik V being unloaded from a small truck was seen. Requests for more than 1.2 billion doses of Sputnik V vaccine came from over 50 countries. Meanwhile, the first batch of Russia's Sputnik V vaccine is likely to reach Kanpur's Ganesh Shankar Vidyarthi Medical College by next week wherein the vaccine's Phase 2 and Phase 3 human clinical trials will be conducted. Meanwhile, the Centre is betting on the five vaccine candidates that are currently undergoing clinical trials in India. The candidates include three that are in advanced stages of trials in India. Oxford-AstraZeneca candidate for which Pune-based Serum Institute is conducting phase 3 clinical trials, Bharat Biotech’s Covaxin which is also in phase 3, and Russia’s Sputnik V which is expected to start phase 2/3 trials next week. The other two candidates include Cadila’s shot which has almost completed phase 2 and a candidate by Biological E which is in Phase 1/2.