Health center survey to investigate the infection route Future priority based on the risk of aggravation November 20, 4:58

When a person infected with the new coronavirus is confirmed, health centers and others are conducting an "active epidemiological survey" to investigate close contacts and infection routes, but many clusters occur in areas where the infection has spread, and the survey is conducted. It has been pointed out that there are cases where countermeasures cannot catch up.

Regarding this survey, at an expert meeting of the Ministry of Health, Labor and Welfare held on the 19th, a new policy was set to prioritize cases involving a large number of people at risk of serious illness, such as facilities for the elderly. Shown and acknowledged.

Active epidemiological surveys have become the cornerstone of measures to prevent the spread of infection, but currently, we are investigating infected people in the order in which they were confirmed, and there are cases where many clusters occur in areas where infection has spread and cannot catch up. It has been pointed out.



The Ministry of Health, Labor and Welfare has indicated that it will prioritize and investigate this survey.



Of these, the highest priority is "when involved in a place where there are many people at high risk of aggravation" such as facilities for the elderly, followed by "3 situations where infection is likely to occur in a dense environment" and "" The survey will be conducted in the order of "when the infection is likely to spread, such as when there is contact with an unspecified number of people", and "3 situations where the infection is likely to occur in a dense environment".



In addition, when investigating the infection route, we have investigated the behavior from 14 days before the onset, but in many cases, it is assumed that the onset occurs within 7 days after the infection, and from now on, from 7 days before the onset. It means to prioritize the behavior of.



This policy was approved at an expert meeting, and the Ministry of Health, Labor and Welfare will explain it to the public health center by revising the survey implementation guidelines.