Pfizer, J&J vaccines more effective against Delta variant: Experts

The anti-COVID-19 vaccines by US pharma majors Pfizer and Johnson & Johnson (J&J) that are being used in South Africa are more effective against the Delta variant of the coronavirus than the Beta strain, experts have said.
 

The Beta variant, which was first detected in South Africa, caused a second wave at the beginning of this year whereas the Delta variant, first detected in India, is driving the current third wave in South Africa, resulting in increased lockdown restrictions as the number of infections and deaths have already surpassed those of the previous two waves.
 

In a media briefing led