Author: Shin-ichiro Tanaka; Shinya Oku
Title: Estimation of true number of COVID-19 infected people in Japan using LINE questionnaire Document date: 2020_4_20
ID: d3lsgatj_21
Snippet: These results could enable to calculate the true number of the infected. With any given prefecture p, number of high fever (N f p ) consists of the high-fever by COVID-19 infection N Cp and that indifferent to COVID-19 N f np . Note that N f p = N f np + N Cp . The quotient of N f p by the population of prefecture p (P p ), i. e., N f p /P p , is the rate of high-fever. Taking that LINE questionnaire sampling is randomized and large enough, into .....
Document: These results could enable to calculate the true number of the infected. With any given prefecture p, number of high fever (N f p ) consists of the high-fever by COVID-19 infection N Cp and that indifferent to COVID-19 N f np . Note that N f p = N f np + N Cp . The quotient of N f p by the population of prefecture p (P p ), i. e., N f p /P p , is the rate of high-fever. Taking that LINE questionnaire sampling is randomized and large enough, into account, 9 it could be safely concluded that the quotient N f Lp /N Lp , i.e., the number of high-fever people with LINE questionnaire (N f Lp ) divided by the responses (N Lp ), is equal to N f p /P p . Therefore, the following equation was deduced.
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