Table 4.

Estimated hidden and total cases of Covid-19 for several European countries, at 18/04/2020.

Country	Hidden cases	Total cases	95% CI	Total/observed
Italy	211,768	384,201	381,649–386,762	2.23
Germany	178,451	315,890	312,429–319,350	2.30
Spain	232,057	423,783	421,112–426,454	2.21
UK	149,150	257,842	255,482-260,202	2.37
Greece	2,901	5,108	4,718–5,499	2.31
Austria	17,264	29,560	28,412–30,709	2.40