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. 2021 Jul 10;31(4):908–912. doi: 10.1093/eurpub/ckab126

Table 1.

Estimates of the hidden prevalence of COVID-19 in Ireland from 1 March to 26 October 2020 using the infection fatality multiplier

Infection fatality ratio (%) Known deaths Estimated total prevalence Known prevalence Estimated hidden prevalence Ratio of unknown cases to each known case
0.5 1882 376 400 57 128 319 272 5.6–1
0.75 1882 250 933 57 128 193 805 3.4–1
1 1882 188 200 57 128 131 072 2.3–1