Smallpox epidemiology and demographics: Difference between revisions
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==Developed Countries== | ==Developed Countries== | ||
Developed countries, due to a better established health system had lower incidence of smallpox and better reports of the new cases to the international organizations. | |||
==Developing Countries== | ==Developing Countries== |
Revision as of 19:46, 10 July 2014
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: João André Alves Silva, M.D. [2]
Overview
Prevalence
Incidence
The number of cases reported to the international health authorities varied greatly in accuracy. The data obtained from non-endemic countries, with good health services were probably more accurate. According to the Intensified Smallpox Eradication Programme, the reported incidence amounted to 1-2% of the reality, therefore it is not possible to obtain a true number on the incidence.
Even in endemic regions there were periods called epidemic years in which the incidence was much higher. For this difference several possibilities were evoked, such as:
- Viability of the virus
- Changes in susceptibility of the host
- Social factors such as dispersion of the population
- Seasonable variation in incidence in relation to eradication
Age
Smallpox affected mainly:[1]
- Children
- Young adults
Gender
Smallpox affected males and females equally.
Developed Countries
Developed countries, due to a better established health system had lower incidence of smallpox and better reports of the new cases to the international organizations.