3 ms·
Herd immunity from measles requires at least 95% of the population vaccinated. For polio, it's 80%.
by u801e 5y ago
Herd immunity from measles requires at least 95% of the population vaccinated. For polio, it's 80%.
- loonster 5y agoHerd immunity only requires a certain percentage of the population to be immune. It doesn't matter how the immunity is acquired. Given enough time, all populations will eventually attain herd immunity.