Occurs when a reservoir population causes an epidemic in a novel host population
Spillover infection, also known as pathogen spillover and spillover event, occurs when a reservoir population with a high pathogen prevalence comes into contact with a novel host population. The pathogen is transmitted from the reservoir population and may or may not be transmitted within the host population.[1] Due to climate change and land use expansion, the risk of viral spillover is predicted to significantly increase.[2][3]
^Woolhouse, Mark; Scott, Fiona; Hudson, Zoe; Howey, Richard; Chase-Topping, Margo (2012). "Human viruses: Discovery and emergence". Philosophical Transactions of the Royal Society B: Biological Sciences. 367 (1604): 2864–2871. doi:10.1098/rstb.2011.0354. PMC 3427559. PMID 22966141.
^Wolfe, Nathan D.; Dunavan, Claire Panosian; Diamond, Jared (May 2007). "Origins of major human infectious diseases". Nature. 447 (7142): 279–283. Bibcode:2007Natur.447..279W. doi:10.1038/nature05775. ISSN 1476-4687. PMC 7095142. PMID 17507975.
^Ebola. (2014). National Center for Emerging and Zoonotic Infectious Diseases, Division of High-Consequence Pathogens and Pathology, Department of Health & Human Services, CDC.
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