In the early days of the pandemic, it was extremely rare to hear of people catching Covid twice.
That’s not the case any more, especially since the Omicron variant emerged in late November 2021.
Part of it is Omicron itself – a variant that’s better at sneaking past defences built on old infections.
Part of it is a numbers game. So many of us have already been infected at some point, that a rising proportion of new infections are a second bout.
But getting Covid twice in a short space of time is still pretty unlikely, even with the latest version of Omicron which is widespread in the UK.
And for most people a second infection is less likely to make them very ill.
Eventually, pretty likely – immunity fades and coronaviruses evolve.
Most people can expect to catch the other coronaviruses, such as those which cause common cold symptoms, many times in their life. Read more on BBC
