Full article by clicking on link.
Extracts:
“Currently we have a huge bias in the numbers coming from different countries – therefore the data are not directly comparable,” he says. “What we need to really have valid and comparable numbers would be a defined and systematic way to choose a representative sampling frame.”
In the UK, for example, the Department of Health and Social Care releases daily updates on how many people who tested positive for Covid-19 died that day. This includes any patient who tested positive for Covid-19 but who might have died from another condition (for example, terminal cancer). But the UK’s Office for National Statistics counts all deaths as Covid-19 where Covid-19 was mentioned on the death certificate, regardless of whether they were tested or if it was merely a suspected case of Covid-19.
https://www.bbc.com/future/article/20200401-coronavirus-why-death-and-mortality-rates-differ
