Pfizer, J&J COVID-19 vaccines more effective against Delta than Beta variant, say experts

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.

from International-News-Economic Times https://ift.tt/3qKSURO
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