Results
Prevalence of neutralizing antibodies
The median age for the EV antibody analysis was 2.0 years and the median
age difference between case and control children was 7 days. All
children were seropositive for at least one EV serotype. The median
number of positive serotypes was eight (range 1-21). Most common
serotypes were Echo33 (antibody prevalence 77%), Echo30 (74%), EV74
(58%), CAV10 (56%), and CVB1 (52%).