Experience with diarrhea and rotavirus-positive diarrhea in the first 3 years of life. Diarrheal surveillance data were available for 626 infants in the first year of life, 504 infants in the second year of life, and 445 infants in the third year of life. Each bar represents the total number of reported episodes per 100 infants in a given period of life. Three hundred eighty-three episodes of all-cause diarrhea were reported per 100 infants in the first year of life, 336 in the second year of life, and 206 in the third year of life. Each bar is further subdivided into the number of rotavirus-negative (green) and rotavirus-positive (red) diarrheal episodes per 100 children in a given age group. The number of coinfections with rotavirus and Entamoeba histolytica, Giardia lamblia, or Cryptosporidium parvum per 100 children is shown in pale red.