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气候变化对疾病的流行所带来的影响，我推荐一篇文献。当然，文献也是在推测。
http://www.ncbi.nlm.nih.gov/pubmed/10823755
Hantavirus cardiopulmonary syndrome (HCPS), a rodent-borne zoonosis, has been endemic in the Americas for at least several decades. It is hypothesized that the 1991-1992 El Niño-southern oscillation (ENSO) caused increased precipitation that allowed an increase in rodent population densities, thereby increasing the possibility of transmission to humans. The result was a 1993-1994 outbreak of the disease in the Four Corners states of the southwestern United States. A second strong ENSO occurred in 1997-1998, after a period of considerable public education about the risks of hantavirus infection that began during the 1993-1994 outbreak. The caseload of HCPS increased 5-fold above baseline in the Four Corners states in 1998-1999. Regions that had received increased rainfall in 1998 were especially affected. A large majority of the 1998-1999 case patients reported indoor exposure to deer mice. Hantavirus outbreaks can occur in response to abiotic events, even in the face of extensive public education and awareness
1. 气候变化（El Niño-southern oscillation, ENSO）带来强降雨;
2. 强降雨造成植物的大量生长；
3. 大量的植物引起啮齿类动物的滋生；
4. 啮齿类动物携带汉坦病毒，但是其本身并不发病；
5. 啮齿类动物的滋生增加了与人类接触的机会。传染病的跨物种传播和携带病原的宿主群体大小和密度有一定的关系；
6. 汉坦病毒引起人类致病。
2012-06-04 12:20
http://www.ncbi.nlm.nih.gov/pubmed/10823755
Hantavirus cardiopulmonary syndrome (HCPS), a rodent-borne zoonosis, has been endemic in the Americas for at least several decades. It is hypothesized that the 1991-1992 El Niño-southern oscillation (ENSO) caused increased precipitation that allowed an increase in rodent population densities, thereby increasing the possibility of transmission to humans. The result was a 1993-1994 outbreak of the disease in the Four Corners states of the southwestern United States. A second strong ENSO occurred in 1997-1998, after a period of considerable public education about the risks of hantavirus infection that began during the 1993-1994 outbreak. The caseload of HCPS increased 5-fold above baseline in the Four Corners states in 1998-1999. Regions that had received increased rainfall in 1998 were especially affected. A large majority of the 1998-1999 case patients reported indoor exposure to deer mice. Hantavirus outbreaks can occur in response to abiotic events, even in the face of extensive public education and awareness
1. 气候变化（El Niño-southern oscillation, ENSO）带来强降雨;
2. 强降雨造成植物的大量生长；
3. 大量的植物引起啮齿类动物的滋生；
4. 啮齿类动物携带汉坦病毒，但是其本身并不发病；
5. 啮齿类动物的滋生增加了与人类接触的机会。传染病的跨物种传播和携带病原的宿主群体大小和密度有一定的关系；
6. 汉坦病毒引起人类致病。
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