COVID -19 Herd immunity is not going to happen: Prof Shabir Madhi by Radio Islam International published on 2021-08-06T11:01:10Z Herd or population immunity became the buzz words when the COVID-19 vaccine was made available to the world. The world then raced to ensure that at least two-thirds of their citizens would be vaccinated to curb the spread of the coronavirus and eventually see the virus eradicated. But that belief has been shot down by Prof Shabir Madhi, the dean of the health sciences facility and professor of vaccinology at Wits. Prof. Madhi joined Ml. Sulaiman Ravat on Radio Islam International to discuss why the notion of herd immunity has fallen by the wayside.