[fullmetal]

The percentage of the population requiring immunity before herd immunity begins to take effect is (1 - 1/R0)*100.  For an R0 of 5, the herd immunity threshold for a population would be 80%, substantially larger than the 50-60% figure that my pro-Sweden-uber-alles social media friends have been promoting.

Herd immunity and R0

[fullmetal]

The percentage of the population requiring immunity before herd immunity begins to take effect is (1 - 1/R0)*100.  For an R0 of 5, the herd immunity threshold for a population would be 80%, substantially larger than the 50-60% figure that my pro-Sweden-uber-alles social media friends have been promoting.

Herd immunity and R0