a total of 322 single and paired serum samples from children ( newborn to 10 years old ) , young adults ( 18 to 20 years old ) , pregnant women and their cord serum samples , and elderly people ( more than 70 years old ) was tested for antibodies to enteric adenovirus types 40 and 41 by neutralization test .
C0008059
children
C0021289
newborn