What has the Aus Tennis Open got to do with vaccines? Not much, but it has thrown up an interesting question.

We're told that airlines (and countries) are going to require people to be vaccinated before being allowed to fly. But what if you haven't been vaccinated but have caught and recovered from Covid? Will that be considered equivalent to a vaccine? Or is that a stupid question coz how can anyone make money from that?

Noticed that a few of the tennis stars have actually had and recovered from Covid - but they are still required to do the 14-day quarantine.

On a different note, Israel has already vaccinated 38% of the population. That should give us a good idea of the efficacy, if not long term side effects.