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. 2022 Sep 26;5(1):71. doi: 10.4102/jir.v5i1.71

TABLE 1.

Infection fatality rate of ancestral variants of COVID-19 pre-vaccination by age.

Age Median IFR % Median IFR (absolute) Survival rate estimate (%)
0–19 0.0027 1 in 37 037 99.9973
20–29 0.0140 1 in 7143 99.9860
30–39 0.0310 1 in 3225 99.9690
40–49 0.0820 1 in 1220 99.9180
50–59 0.2700 1 in 370 99.7300
60–69 0.5900 1 in 169 99.4100
> 70 community 2.4000 1 in 42 97.6000
> 70 overall 5.5000 1 in 18 94.5000

Source: Adapted from Axfors C, Ioannidis JPA. Infection fatality rate of COVID-19 in community-dwelling elderly populations. Eur J Epidemiol. In press 2022;37(3):235–249. https://doi.org/10.1007/s10654-022-00853-w

IFR, infection fatality rate.