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The only one at the work meeting, dinner party or concert who never tested positive when everyone else

did. Whilst some countries figures for the total number of people infected with COVID-19 are a little hard to come by.

A recent estimate from the Centers for Disease Control in America claimed around

43% of people in the US, or 140 million people, had had the virus as of late January.

We know from the CDC data that about twice as many people probably got exposed in the country in general to

COVID than the official counts.

So despite it feeling like a rare event, there are still quite literally hundreds of millions of

you out there yet to test positive. So what's behind this? And how come some people, despite being

exposed often multiple times, have never had a positive test.

From the Guardian, I'm Madeline Finley, and this is Science Weekly.

Linda Gedus, as the Guardian's science correspondent you've been covering the

discoveries, trials and tribulations of COVID for quite a while now and recently you wrote about what felt like true

outliers extraordinarily lucky people who have seemingly not yet caught COVID.

And of course, there are some people who might not

...