What are the methods available today to determine if received vaccine are legit?
From the text of the article I've got the impression that instructions itself received with different batches (and by different parties) differ. But how country officials can check that vaccine they received is the one that they bought, short of starting using it and tracking the result.
From the text of the article I've got the impression that instructions itself received with different batches (and by different parties) differ. But how country officials can check that vaccine they received is the one that they bought, short of starting using it and tracking the result.