The research comes amid a global alert over a new swine flu strain, H1N1, that has so far killed at least 80 people and could be headed toward full-blown pandemic.
此项研究开始于全球警惕新型猪流感病毒H1N1期间。 H1N1至今已经至少杀死八十人，可能会导致流感大流行的全面爆发。
The research comes amid a global alert over a new swine flu strain, H1N1, that has so far killed at least 80 people and could be headed toward full-blown pandemic.
此项研究开始于全球警惕新型猪流感病毒H1N1期间。 H1N1至今已经至少杀死八十人，可能会导致流感大流行的全面爆发。
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