Volume 11, Number 12—December 2005
Host Range and Emerging and Reemerging Pathogens
|1||Changes in land use or agricultural practices|
|2||Changes in human demographics and society|
|3||Poor population health (e.g., HIV, malnutrition)|
|4||Hospitals and medical procedures|
|5||Pathogen evolution (e.g., antimicrobial drug resistance, increased virulence)|
|6||Contamination of food sources or water supplies|
|8||Failure of public health programs|
*Ranked by the number of pathogen species associated with them (most to least).
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