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SARS is a disease that appeared in 2003 with epidemic features in the province of Guangdong, in east China. What type of agent causes SARS?
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- All of the following are true of Rocky Mountain spotted fever excepta) the disease is most prevalent in the western United States.b) it is caused by an obligate intracellular bacterium.c) it is a zoonosis transmitted to humans by ticks.d) those with the disease characteristically develop a hemorrhagic rash.e) antibiotic therapy is usually curative if given early in the disease.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…Which of the following is a true statement with regard to virusemia? O The second combining form means virulent. O The first combining form means internal organ(s). O The second combining form means blood.
- Choose the one true statement about sepsis.a) It is a rare healthcare-associated disease.b) The output of urine increases if shock develops.c) It can be caused only by anaerobic bacteria.d) An antibiotic that kills the causative organism can be dependedon to cure the disease.e) Lung damage is an important cause of death.Dengue remains endemic in Malaysia since its outbreak in 1980, with its highest concentration of cases in the state of Selangor. One way to control an outbreak is by reducing the number of cases through preventive activities. Discuss preventive and control measures for dengue fever.Explain how each of the following could lead to the reemergence of malaria in the United States: (a) global warming, (b) increased travel of individuals from endemic regions to the United States, (c) increased immigration of individuals from endemic regions to the United States, and (d) laws protecting wetlands. Please simple to understand and original answer. Thanks :)
- Why would medication fail to cure HSV infections even though it prevents recurrent cold sores?In the early 1900s, cities such as Philadelphia reduced the incidence of typhoid fever by: Question 1 options: A) isolating human carriers. B) using tertiary water treatment systems. C) filtering municipal drinking water through sand-bed filters. D) requiring residents to boil drinking water.What is the pathogenesis of dengue virus?
- Which term would best describe the occurrence of a disease that is not normally seen, yet occasionally a case will occur, such as tetanus? 1) endemic O 2) sporadic 3) epidemic O 4) pandemicAll of the following are true of Lyme disease excepta) it is caused by a spirochete.b) it is transmitted by certain species of ticks.c) it occurs only in the region around Lyme, Connecticut.d) most cases get a rash that looks like a target.e) it can cause heart and nervous system damage.What are the 4 mode types of disease? Explain each