Difference between reported and estimated cases of polio
Reported cases of polio may be an underestimate of actual cases because people with acute flaccid paralysis may not be detected and tested for the poliovirus in time.
All our related research and data
Charts
- Paralytic polio: estimated cases by world region
- Polio case and death rates in the United States
- Polio: Rate of cases vs. vaccination coverage
- Progress towards polio eradication
- Rate of acute flaccid paralysis from non-polio causes
- Reported cases of paralytic polio
- Reported cases of paralytic polio by world region
- Reported cases of paralytic polio from vaccine-derived virusesMap
- Reported cases of paralytic polio from vaccine-derived virusesLine chart
- Reported cases of paralytic polio from wild polioviruses
- Reported paralytic polio cases and deaths
- Reported paralytic polio cases per million
- Share of one-year-olds who are vaccinated against polio
- Share of potential polio cases with adequate stool collection
- The decade of the last recorded wild paralytic polio case
- Where are we falling behind on screening and testing for polio?