All the serological studies have found 30-80x prevalence so far, regardless of methods. I saw a preprint metaanalysis that looked at six of them in different ar

All the serological studies have found 30-80x prevalence so far, regardless of methods. I saw a preprint metaanalysis that looked at six of them in different areas. The worst outcomes seem to be tied to places with severe NO2 pollution, but because the R0 is so high, it's been all over the place.