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😷 | New corona, XNUMX people infected in Hokkaido Less than XNUMX people for XNUMX days in a row Sapporo city XNUMX people


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New corona infects XNUMX people in Hokkaido Less than XNUMX people for XNUMX days in a row Sapporo city has XNUMX people

 
If you write the contents roughly
There were no new outbreaks in the city.
 

Today, XNUMX new cases of coronavirus infection were found in Hokkaido.The number of infected people has fallen below XNUMX for two consecutive days ... → Continue reading

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Cluster (epidemiology)

EpidemiologyIncluster(British: disease cluster,Infected population,Disease cluster) IsTimeTarget andGeographyOccurs in close proximity from both perspectivesspecific OfdiseaseorObstacleIs abnormally highOutbreakIs the rateGroup(=cluster)[1] .

Usually when recognized as a cluster, it is a regionpublic healthReport to department[2].

Overview 

JapanThen,2020 (Reiwa2 years)New coronavirus infectious disease epidemicHeld on February 2thNew coronavirus infectionThe next day based on the countermeasure expert meeting (3rd)政府Since it was used in the "Basic Policy for Countermeasures against New Coronavirus Infectious Diseases" decided by the Headquarters for Countermeasures against New Coronavirus Infectious Diseases,News reportIt came to appear frequently due to such reasons.Refers to a population of patients who are thought to have a continuous outbreak (continuation of the infection chain) and could lead to a large outbreak.[3].. On March 2020, 2 (3nd year of Reiwa)Ministry of Health, Labor and WelfareIn the "National Cluster Map" released for the first time byTohoku UniversityHitoshi Oshiya(Microbiology),Hokkaido UniversityHiroshi NishiuraAs a result of classification by (social medicine field) et al., 15 populations (clusters) were found to be associated with infected persons.MapDisplayed above[4]. Also,Ministry of Health, Labor and WelfareIs an environment where clusters are likely to occurThree densePoint out that it is a place where "" overlaps, and avoid the three densenessPeopleCalled to[5].

1854 ToUKOccurred inBroad Street Cholera OutbreakIs a typical example of such a cluster.[Source required]

footnote

[How to use footnotes]
  1. ^ "Definition of Clusters", Case Studies in Environmental Medicine (CSEM),, US Department of Health and Human Services
  2. ^ If the size and importance of the cluster exceeds the limitOutbreakMay be re-evaluated as.
  3. ^ Guidelines for conducting an active epidemiological survey on patients with coronavirus infection (provisional version on February 2020, 2 (Reiwa 2)) National Institute of Infectious Diseases Infectious Disease Epidemiology Center (PDF)
  4. ^ "About New Coronavirus Infections". Ministry of Health, Labor and Welfare (September 2020, 3). NovemberBrowse.
  5. ^ "Go out while avoiding the three “tightness”... Ministry of Health, Labor and Welfare announces new alert with new corona". FNN Prime Online (September 2020, 3). NovemberBrowse.

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