The world will not exit Covid-19 pandemic without booster shots, vaccine developer says

The world will not get the Covid-19 pandemic under control without using booster shots for messenger RNA vaccines, one of the key figures involved in the development of the Pfizer and BioNTech vaccine said Tuesday.

Ugur Sahin, co-founder and CEO of BioNTech, insisted booster shots are going to be necessary, despite caution from some experts.

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