The organisation that makes India’s vaccination strategy has sought more laboratory data before it decides on advising mixing Covid-19 doses—a medical practice called heterologous boosting.
The National Technical Advisory Group on Immunisation (NTAGI) has month to go before its gives its advice to the government. It has sought more laboratory data from the Christian Medical College (CMC), Vellore, where researchers are conducting a study on mixing Covid-19 vaccines, said sources in the know.
CMC will conduct more tests on neutralising antibodies on 400 subjects enrolled for a study on testing how mixing Covaxin (a vaccine manufactured by Bharat Biotech) and Covishield (manufactured