WHO epidemiologist says Covid-19 vaccines showing reduced efficacy against Delta variant


Content Team
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As the highly contagious Delta variant of Covid sparks fresh outbreak in different regions across the world, a WHO official has warned that the vaccines are showing reduced efficacy against the variant. UK is among the countries that are witnessing a surge in Covid cases due to the Delta variant. It is to be noted that the variant has already mutated into a more rapidly spreading Delta plus variant.