India’s well-known virologist Jacob John speaks exclusively to mid-day about T-cells, and stresses the need for a booster dose
A medic vaccinates a woman at Nair hospital, Mumbai Central, on Monday. Pic/Ashish Raje
In an exclusive interview with mid-day, well-known virologist Dr Jacob John from Vellore in Tamil Nadu talks about T-cells and their mandate to prove a vaccine’s efficacy, and answers other queries that continue to have diversified views among health experts. To follow up the continued efficacy of a vaccine, there is a need to test the antibody level, he said.