A pathway out of our Covid nightmare?

Let's hope the vaccines announced in the past week soon clear all their hurdles

It’s great news that at least two vaccines against Covid-19 may become available over the next few months. 

There’s still a long way to go. Many issues remain to be resolved about the efficacy of these vaccines, about the scope of the immunity they will provide, how long this will last and so on. But for the first time, we can allow ourselves to hope tha…