BioNTech, the company that helped develop Pfizer’s coronavirus vaccine, says there’s “no evidence” they need to adjust the vaccine to be more effective against Covid-19 variants.

The World Health Organization and Centers For Disease Control have expressed their concerns about Covid-19 variants that have hit Europe , Africa and India.

But BioNTech and Pfizer on planning on studying what impact a third vaccine or booster vaccine would have in protecting people against the variants of the virus.

The FDA has already approved the  research plans.

 

Photo: Alpha Media Portland OR

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