Yellow fever

Yellow fever accounts for an estimated 200,000 cases and 30,000 deaths each year, primarily in sub-Saharan Africa and parts of the Americas. The disease is transmitted by infected mosquitoes, and there is no specific treatment available. Yellow fever cases can lead to outbreaks around urban centers, which are best controlled by early detection and mass immunization of the at-risk population. Vaccination remains the single most important measure for preventing yellow fever. The vaccine provides immunity within one week in 95 percent of people vaccinated and immunity lasts for ten years.

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