norwalk

• For months january - march , the number of positive specimens for norwalk - like virus was 13
  一月至三月份，对诺沃克类病毒呈阳性的样本数目为13个。
• For months july - september , the number of positive specimens for norwalk - like virus was 19
  七月至九月份，对诺沃克类病毒呈阳性的样本数目为19个。
• For months october - december , the number of positive specimens for norwalk - like virus was 8
  十月至十二月份,对诺沃克类病毒呈阳性的样本数目为8个。
• For months october - december , the number of positive specimens for norwalk - like virus was 5
  十月至十二月份,对诺沃克类病毒呈阳性的样本数目为5个。
• For months october - december , the number of positive specimens for norwalk - like virus was 4
  十月至十二月份,对诺沃克类病毒呈阳性的样本数目为4个。
• For months october - december , the number of positive specimens for norwalk - like virus was 7
  十月至十二月份，对诺沃克类病毒呈阳性的样本数目为7个。
• For months january - december , the number of positive specimens for norwalk - like virus was 35
  一月至十二月份,对诺沃克类病毒呈阳性的样本数目为35个。
• The most common viruses that cause gastroenteritis are norwalk virus and rotavirus
  病毒性肠胃炎可由多种病毒引致，最常见的是诺沃克病毒及轮状病毒。
• For months january - december , the number of positive specimens for norwalk - like virus was 74
  一月至十二月份,对诺沃克类病毒呈阳性的样本数目为74个。
• For months october - december , the number of positive specimens for norwalk - like virus was 30
  十月至十二月份,对诺沃克类病毒呈阳性的样本数目为30个。