3 ms·

> They went through proper trials... No they haven't. They were approved for emergency use only. New vaccines usually take 6-7 years to complete clinical tri

• kaba0 5y ago
  > New vaccines usually take 6-7 years to complete clinical trials Not necessarily. The yearly updated flu shot doesn’t for example. This case is similar, the novel technique itself was in development for a decade now with different parts having been clinically tested.