Table 3.

SARS-CoV-2 infections, seroprevalence and attack rates in different countries

Country population	China (only Hubei)	Spain	Italy	Germany	France (only French model appl [25])	United Kingdom
Population (millions)	57.20	46.94	60.36	83.02	66.99	66.65
Seroprevalence
National	4%	5.4%	2.5%	n.d	n.d	6.0%
Regions	Hubei 4% Hongkong 0%	Madrid 11.5% Barcelona 6.8% Baleares 1.1% Asturia 1.4%	Lombardy 7.5% Piemont 3.0% Tuscany 1.0% Sicily 0.3%	Bad Feilnbach 6% Gangelt 15.5%	n.d	London 13.0% Yorkshire 3.9% South-West 2.8%
Est. Cases and attack rates of SARS-CoV-2
Cases notified (8/2020)	68,053	250,273	260,307	233,776	223,419	316,371
Overall CFR	5.2%	7.5%	13.7%	4.0%	13.6%	14.3%
Cases—lower bound est	0.19 Mio	0.74 Mio	0.96 Mio	0.34 Mio	2.1 Mio	1.75 Mio
Cases—upper bound est	0.96 Mio	3.18 Mio	4.46 Mio	1.49 Mio	6.0 Mio	8.85 Mio
Attack rate (min–max)	0.33–1.68%	1.57–6.78%	1.51–7.39%	0.42–1,80%	3.3–9.3%	2.6–13.1%