Edited by John D. Archer, MD, Senior Editor.
To the Editor.— I was interested in the recent article by Lewis and Brannon (230:1295, 1974) on two cases of presumed poliomyelitis in the Trio Indians of Surinam. We have observed another instance of paralytic disease in an approximately 30-year-old member of the Brazilian branch of the same tribe.1 This man had antibody to type 2 poliomyelitis only, indicating that if the disease were poliomyelitis it must have been type 2. The six reported cases together represent an incidence of paralytic disease of about 1/100. This is comparable to the 1/125 rate calculated by Paul et al2 in a 1930 epidemic of type 2 in Eskimos of northern Alaska. Higher rates have been reported in type 1 outbreaks2,3 in isolated groups, but urban epidemics have not been as virulent, presumably because of previously acquired immunity.What has seemed to us more remarkable than the fact that poliomyelitis
Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature
Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal
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