born 1950 600 000 → 40 cases a year when you were born there was no vaccine. iron lungs. now: a few dozen cases a year, in two countries.
method WHO/GPEI wild poliovirus paralytic cases by year; pre-1988 back-estimates.
born 1970 450 000 → 40 cases a year about 450 000 a year when you were born. a few dozen now.
it is the best ledger ever kept for a disease. every case of sudden paralysis in every country is investigated and typed. that is why the number can be trusted all the way down.
born 1990 252 000 → 40 cases a year about 252 000 a year when you were born. a few dozen now.
it is the best ledger ever kept for a disease. every case of sudden paralysis in every country is investigated and typed. that is why the number can be trusted all the way down.
born 2010 1 352 → 40 cases a year about 1 352 a year when you were born. a few dozen now.
it is the best ledger ever kept for a disease. every case of sudden paralysis in every country is investigated and typed. that is why the number can be trusted all the way down.