[ad_1] Are some vaccines better than others? How is efficiency measured? Can any of them be 100% effective? Questions about coronavirus vaccines grow in the collective imagination and often lead to doubts …
Read More »How was the accident in which John F. Kennedy Jr died, compared to that of Emiliano Sala – 04/02/2019
[ad_1] The investigation into the disappearance of footballer Emiliano Sala and the subsequent discovery in the English Channel of the plane in which he was flying generate many hypotheses about the causes …
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