Coronavirus vaccine have revealed that it is 90% effective. The developers - Pfizer and BioNTech - described it as a "great day for science and humanity".Their vaccine was tested on more than 43,000 people across six countries and so far, no safety concerns have been raised.Bosses are applying for an emergency approval to roll the vaccine out as soon as possible, according to repots.A vaccine has been hailed as the best way of getting us out of the restrictions currently governing our day to day lives.All vaccines undergo rigorous testing and have oversight from experienced regulators.This vaccine is one of a dozen that is currently in the final stage of testing to make sure it is reliable and hasn’t got any nasty side affects.Pfizer and.
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