coronavirus vaccines pending completion of phase-three clinical trial and regular licensure.The issue of advance purchase commitment for vaccines, including pricing, was also discussed in a recent meeting attended by NITI Aayog Member (Health) Vinod Paul, Principal Scientific Advisor to the government K VijayRaghavan and Union Health Secretary Rajesh Bhushan."It was decided that the PMO-constituted Vaccine Task Force (VTF) will lay down the principles for emergency use authorisation while the National Expert Group On Vaccine Administration for COVID-19 (NEGVAC) should take the lead in setting the principles for advance market commitment, including vaccine pricing," a source said.These developments assume significance against the backdrop of.