‘The best coronavirus vaccine is the one that reaches my arm first’

The good news is that, out of the currently available vaccines – in Europe and Canada these are Moderna, Pfizer-BioNTech and Oxford-AstraZeneca, while the United States is administering the first two and has recently authorized the Janssen shots from Johnson & Johnson – it is not possible to say that one is clearly better than the other. At least not at this point in time. As the epidemiologist Carlos Álvarez puts it: “The best vaccine is the one that reaches my arm first.”