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Chapter 14, Problem 4CT

Over 30 children younger than three years of age developed gastroenteritis after visiting a local water park. These cases represented 44% of the park visitors in this age group on the day in question. No older individuals were affected. The causative agent was determined to be a member of the bacterial genus Shigella. The disease resulted from oral transmission to the children. Based only on the information given, can you classify this outbreak as an epidemic? Why or why not? If you were an epidemiologist, how would you go about determining which pools in the water park were contaminated? What factors might account for the fact that no older children or adults developed disease? What steps could the park operators take to reduce the chance of future outbreaks of gastroenteritis?

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Over 126 children younger than 7 years of age developed Measles in Gauteng after visiting various entertainment parks in the Mpumalanga and Limpopo provinces over the March 2023 school holidays. These cases represented 56% of the visitors in this age group on the days in question. Infected children residing in Limpopo and Mpumalanga and visited the parks accounted for 36% and 16% respectively. No older individuals were affected. The causative agent was determined to be a member of the viral genus Morbillivirus in the Paramyxoviridaefamily. The disease is known to spread by coughing and sneezing, close personal contact ordirect contact with infected nasal or throat secretions of the infected children.  4.1. Based only the information given, can you classify this outbreak as an endemic to South Africa? Why or why not? 4.2. As an epidemiologist, illustrate how would you determine which parks in the provinces had accounted for more infections. 4.3. Outline the factors that might have…

Chapter 14 Solutions

Microbiology with Diseases by Body System & Modified MasteringMicrobiology with Pearson eText -- ValuePack Access Card -- for Microbiology with Diseases by Body System Package

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