Define endemic? Define epidemic?
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Dengue hemorrhagic fever (DHF) is endemic in many tropical areas of the world. Suppose an unseasonably warm spring has led to increased population of mosquitoes and subsequently epidemic levels of DHF infection in Sri Lanka during this year. Under normal circumstances, community X in Sri Lanka has an average of 12 DHF cases per month.
Define endemic?
Define epidemic?
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- In a standard SIR model of infection individuals are assumed to encounter each other at random. In reality this is almost never true for any population, especially for territorial animals. Incorporating a spatial dimension to the SIR model my help better explain what?Monitoring and evaluating part of the marketing strategy considers the following except: Track changes of net profit Reevaluation of the strategy if the situation changes Evaluating the budget and net profit All the above is correct None of the above"Although the reported number of cases varies, arboviruses cause substantial morbidity in the United States each year. Cases occur sporadically, with epidemiology varying by virus and geography. Weather, zoonotic host, vector abundance, and human behavior all influence when and where arboviral outbreaks occur, making it difficult to predict locations and timing of cases and underscoring the importance of surveillance in identifying outbreaks and informing prevention efforts." Which of the following means the same as "Cases occur sporadically"? O Cases are caused by fungal spores. O Because of vector transmission, there is a steady rate of arboviral cases each year O Outbreaks occur unpredictably QUESTION 8 "Although the reported number of cases varies, arboviruses cause substantial morbidity in the United States each year. Cases occur sporadically, with epidemiology varying by virus and geography. Weather, zoonotic host, vector abundance, and human behavior all influence when and where…
- The definitive host of human malaria parasites are certain species of Anopheles mosquitoes. True Falseif a particular disease occurs in humans in occasional, isolated, sporadic cases, but most of the time no one is ill, what does this suggest about the likely reservoir of such a disease?Which of the following statements is correct? a. Serial interval is the length of time a person can transmit or shed an infectious agent b. Contamination of the drinking water source of a community by infectious agent(s) will likely result in a continuous common source epidemic c. It is not possible for people who have not shown symptoms of measles yet, to transmit measles infection d. Mary Mallon was a chronic carrier of Vibrio cholerae
- what are examples of zoonotic diseases in our region and what should be done to mitigate resulting impacts to environmental health from the example of zoonotic diseaseNoneAn epidemic may be detected by observing clustered cases of certain symptoms the extent of morbidity and mortality the rate of hospitalization the extent to which associates wash their hands
- A polio outbreak in the Philippines had been declared in September 2019. This is caused by the Filipinos' distrust in vaccines. What underlying disaster risk factor is present in this scenario? Political Psychological Economic Socio-Cultural Physical BiologicalWhy B is correctExplain the importance of reservoir hosts in modern outbreaks of “old” diseases such as Typhus and Plague.