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Choose a disease related to public health that interests them and one that was not discussed in class.
1)Introduction
2)Epidemiological background on the disease, including a disease definition and global distribution patterns
3)Biological basis for the disease, including risk factors, signs and symptoms, screening, and treatment
4)Relate the effects of the disease on public health
Dengue fever is endemic in over 100 countries, primarily in Southeast Asia, the Pacific Islands, the Caribbean, and South America. The World Health Organization (WHO) estimates that there are 400 million dengue infections worldwide each year, resulting in millions of hospitalizations and tens of thousands of deaths.
Dengue fever is caused by a virus from the genus Flavivirus. When an infected mosquito bites a person, the virus enters the bloodstream and replicates. Symptoms typically appear 4-7 days after the bite and may include:
In severe cases, dengue fever can progress to dengue hemorrhagic fever (DHF) or dengue shock syndrome (DSS), which can be fatal.
Dengue fever poses a significant public health burden due to its rapid spread, high morbidity, and potential for severe illness. The disease can strain healthcare systems, particularly in resource-limited settings. Additionally, the increasing globalization and climate change have contributed to the expansion of the geographic range of the Aedes mosquito, leading to outbreaks in previously unaffected areas.
Effective control of dengue fever requires a multi-faceted approach, including:
By implementing comprehensive strategies, we can reduce the burden of dengue fever and protect public health.
Dengue fever is a mosquito-borne viral infection that has become a major public health concern worldwide, particularly in tropical and subtropical regions. It is transmitted by the bite of infected Aedes mosquitoes, the same mosquitoes that transmit Zika, chikungunya, and yellow fever.