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HandWiki. Super-Spreader. Encyclopedia. Available online: https://encyclopedia.pub/entry/31173 (accessed on 25 September 2026).
HandWiki. Super-Spreader. Encyclopedia. Available at: https://encyclopedia.pub/entry/31173. Accessed September 25, 2026.
HandWiki. "Super-Spreader" Encyclopedia, https://encyclopedia.pub/entry/31173 (accessed September 25, 2026).
HandWiki. (2022, October 25). Super-Spreader. In Encyclopedia. https://encyclopedia.pub/entry/31173
HandWiki. "Super-Spreader." Encyclopedia. Web. 25 October, 2022.
Super-Spreader
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A super-spreader is a host—an organism infected with a disease—that disproportionally infects more secondary contacts than other hosts who are also infected with the same disease. A sick human can be a super-spreader; they would be more likely to infect others than most people with the disease. Super-spreaders are thus of high concern in epidemiology (the study of the spread of diseases). Some cases of super-spreading conform to the 20/80 rule, where approximately 20% of infected individuals are responsible for 80% of transmissions, although super-spreading can still be said to occur when super-spreaders account for a higher or lower percentage of transmissions. In epidemics with super-spreading, the majority of individuals infect relatively few secondary contacts. Super-spreading events are shaped by multiple factors including a decline in herd immunity, nosocomial infections, virulence, viral load, misdiagnosis, airflow dynamics, immune suppression, and co-infection with another pathogen.

virulence epidemiology nosocomial

References

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  3. Stein, Richard A. (August 2011). "Super-spreaders in infectious diseases". International Journal of Infectious Diseases 15 (8): e510–e513. doi:10.1016/j.ijid.2010.06.020. PMID 21737332. "The minority of individuals who infect disproportionately more susceptible contacts, as compared to most individuals who infect few or no others, became known as super-spreaders, and their existence is deeply rooted in history: between 1900 and 1907, Typhoid Mary infected 51 individuals, three of whom died, even though she only had an asymptomatic infection.".  https://dx.doi.org/10.1016%2Fj.ijid.2010.06.020
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