The National Technical Advisory Group on Immunisation needs adequate scientific data to make a recommendation on the mixing of Covid-19 vaccines, said the government.
Union Health Minister Mansukh Mandaviya asks states and UTs to avoid mixing-up of vaccines during administration, and ensure separate vaccination centres, separate session sites and queues
"We have heard recently that Europe, Spain and the UK are also doing a study where two vaccines Covishield and Pfizer have been given on alternate days," said Dr N K Arora, Chairman of COVID-19 working group under NTAGI.