Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Chapter 37.2, Problem 5RIA
Summary Introduction
During an epidemic or pandemic, the epidemiologist should measure the frequency of the disease. With the gained data, the epidemiologist should analyze the data with statistics and measure the risk factors of the disease occurring in the particular area. Based on the facts the epidemiologist will determine the risk of the disease, affected and unaffected population by morbidity rate, prevalence rate, and mortality rate.
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Explain the differences between incidence rates and prevalence rates.
Calculating Incidence versus Prevalence
The picture represents 10 new cases of illness over about 15 months in a population of 20 persons. Each horizontal line represents one person. The down arrow indicates the date of onset of illness. The solid line represents the duration of illness. The up arrow and the cross represent the date of recovery and date of death, respectively.
The picture New: Cases of Illness from October 1, 2004–September 30, 2005
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Calculating Incidence versus Prevalence
The picture represents 10 new cases of illness over about 15 months in a population of 20 persons. Each horizontal line represents one person. The down arrow indicates the date of onset of illness. The solid line represents the duration of illness. The up arrow and the cross represent the date of recovery and date of death, respectively.
The picture New: Cases of Illness from October 1, 2004–September 30, 2005
Question: Calculate the period prevalence from October 1, 2004, to September 30, 2005. The numerator of period prevalence includes anyone who was ill any time during the period. In Figure 3.1, the first 10 persons were all ill at some time during the period.
Chapter 37 Solutions
Prescott's Microbiology
Ch. 37.2 - How might biased data collection impact the public...Ch. 37.2 - Prob. 1RIACh. 37.2 - Prob. 2RIACh. 37.2 - Prob. 3RIACh. 37.2 - Prob. 4RIACh. 37.2 - Prob. 5RIACh. 37.3 - Prob. 1MICh. 37.3 - Prob. 2MICh. 37.3 - Prob. 1RIACh. 37.3 - Prob. 2RIA
Ch. 37.3 - Prob. 3RIACh. 37.3 - Prob. 4RIACh. 37.4 - Prob. 1RIACh. 37.4 - What are some of the factors in your community...Ch. 37.4 - Prob. 3RIACh. 37.5 - Describe a health-careassociated infection, and...Ch. 37.5 - Prob. 2RIACh. 37.5 - Prob. 3RIACh. 37.7 - Prob. 1RIACh. 37.7 - Prob. 2RIACh. 37.7 - Prob. 3RIACh. 37.7 - What is the Public Health Security and...Ch. 37 - Why is international cooperation a necessity in...Ch. 37 - What common sources of infectious disease are...Ch. 37 - Prob. 3CHICh. 37 - How can changes in herd immunity contribute to an...Ch. 37 - College dormitories are notorious for outbreaks of...Ch. 37 - Prob. 6CHICh. 37 - Prob. 7CHICh. 37 - Prob. 8CHI
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