Epidemiologists now know that rotavirus is far and away the leading cause of childhood diarrhea worldwide, infecting virtually all children between the ages of three months and five years.
Epidemiologists now know that rotavirus is far and away the leading cause of childhood diarrhea worldwide, infecting virtually all children between the ages of three months and five years.
如今，流行病学家已知：从三个月到五岁大的幼儿，几乎都感染过轮状病毒，它是造成全球儿童腹泻的最常见原因，远超过其他任何病原。