PCR test Positive rate “After declaration, it seems that there is a downward trend” Expert Meeting May 4 23:18
In accordance with the recommendations made on the 4th, the expert meeting of the government showed the percentage of people who were positive in the PCR test for the new coronavirus, the so-called "positive rate".
At the expert meeting, the "positive rate" is used as an index for estimating the situation of the number of potentially infected persons.
This time, the expert meeting will set the "positive rate" to the percentage of newly positive people among the number of virus tests such as PCR carried out at local health institutes, private laboratories, universities, and medical institutions. did.
This number is only a guide because the number of tests carried out includes cases that were performed multiple times by one person, such as a test when a hospitalized person was discharged from the hospital.
As a result, the positive rate nationwide
has been between 1% and 8% from mid-February to mid-March
, but from the end of March, there will be more than 10% of the days. It has been on an upward trend as it came, and it
exceeded 15% on April 12.
On the other hand, since then, the number of tests itself has been increasing, but the positive rate is gradually decreasing, and it was around 3% on the 29th of last month.
For this reason, the Experts Group has stated that the trend of the positive rate is "it seems to be decreasing" as a trend after the declaration of emergency.
In addition, from February 18th to last month 29th, the average nationwide positive rate was 5.8%.
Although it is not possible to simply compare the positive rates overseas,
▽ UK 26.9%,
▽ America 17.4%,
▽ Italy 10.6%, etc., and the
expert meeting said that Japan's positive rate is sufficiently low.
In addition, the expert meeting will require the country to increase the number of PCR tests and publish the number of tests and the positive rate in the future.