This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
A 2-year-old child attending daycare develops diarrhoea and gastroenteritis as a result of adenoviral infection. Which of the following adenoviral serotypes would most likely be responsible for this girl's illness? 
Select and explain. 
A. Type 4, B. Type 7, C. Type 19, D. Type 41
D: Type 41
Answer: D: Type 41 
Explanation: Adenoviral types 40, 41, and 42 have been shown to be associated with gastrointestinal disease in infants. Adenoviral types 4 and 7, commonly cause upper respiratory infections in military recruits; adenoviral types 19 and 37 have been implicated in causing epidemic keratoconjunctivitis. Ref Robbins 9/e pg 567