The lead scientist behind a coronavirus vaccine being developed jointly by Pfizer and BioNTech has cautioned that it won’t have an immediate effect on case numbers and it may be a year before normalcy returns.
An effective inoculation against Covid-19 has been billed as the best way to end the global health crisis, but Professor Ugur Sahin, co-founder of BioNTech, has cautioned against assuming the pandemic is behind us.
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