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2009年甲型H1N1流感在墨西哥爆发。 (jan 1, 2009 – dec 31, 2011)
Added to timeline:
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Timeline of Global Pandemic Diseases/全球传染病大事纪要
病毒比战争更可怕。
Date:
jan 1, 2009
dec 31, 2011
~ 2 years and 11 months