Mild strain cross protection (MSCP) is the most effective method to control the stem pitting tristeza virus.
应用弱毒系交叉保护（MSCP）是防治茎陷点型柑橘衰退病的有效方法之一。
This is important because although this strain of swine flu is mild in most people, if it's contracted by someone with an underlying health condition that can be serious.
这很重要，因为尽管对多数人来说，这种猪流感病毒相对较温和，但如果某些有健康隐患的人感染此病，后果可能相当严重。
In addition, the low-pathogenic H9N2 strain (Asian lineage) has caused a few human cases of mild respiratory illness.
此外，低致病性H9N 2毒株(亚洲系)也引发了人间少数轻微呼吸道疾病病例。
The virus is behaving much like a seasonal influenza strain, by spreading rapidly and causing mainly mild disease, but severe illness in some people.
该病毒的症状像季节性流感，它会迅速蔓延，一般会造成轻微的疾病，但一些人也会产生更加严重的症状。
The virus is behaving much like a seasonal influenza strain, by spreading rapidly and causing mainly mild disease, but severe illness in some people.
该病毒的症状像季节性流感，它会迅速蔓延，一般会造成轻微的疾病，但一些人也会产生更加严重的症状。
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