Few people realise the importance of testing figures to interpret numbers of confirmed cases.

Even fewer people realise just how poorly these figures are being collated and reported.

@PietroMonticone gets both things. He is on a mission to understand what the Italian testing figures *actually mean*.

Great thread showing the extent of regional differences *and* how crazily hard it is to find this basic information out: https://twitter.com/PietroMonticone/status/1249011420404027392">https://twitter.com/PietroMon...