据海外媒体报道，香港大学儿童及青少科学系系主任刘宇隆8月31日表示，香港每年有近2000名婴儿因感染轮状病毒引致肠胃炎入院。刘宇隆说，绝大部分幼儿在5岁或5岁以下都感染过轮状病毒，症状主要是腹泻、呕吐和发热，严重的甚至脱水、休克。刘宇隆指出，轮状病毒传染性极高，一 According to overseas media reports, Liu Yulong, director of the Department of Child and Youth Sciences at the University of Hong Kong, said on August 31 that nearly 2,000 infants in Hong Kong were hospitalized for gastroenteritis due to rotavirus infection each year. Liu Yulong said that most young children are infected with rotavirus at the age of 5 or under, the symptoms are mainly diarrhea, vomiting and fever, severe or even dehydration, shock. Liu Yu-long pointed out that rotavirus highly infectious, one