COVID-19
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Updates on COVID-19 in Tokyo

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This is a provisional translation. Please be aware that there may be mistranslations.

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“Tokyo Alert”

A “Tokyo Alert” has been issued.

The Tokyo Metropolitan Government issues the alert to clearly inform the public of the infection situation in Tokyo and call for vigilance. We request your continued cooperation in implementing the “new normal,” including thorough hand washing and wearing a mask, maintaining social distance, and exercising caution at locations where the risk of the “three Cs” (closed spaces, crowded places, close conversation) exists.

Steps to alleviate leave requests for facilities in Tokyo

About the Roadmap

We explain that there are 4 steps to alleviate leave requests for facilities. First, “Step 0”, which refers to the situation as of 22th May, 2020. After that, it will be gradually proceed to "Step 3" based on the characteristics of the facilities and the history of cluster occurrence.

  • Step 0
  • Step 1
  • Step 2
  • Step 3

Sun, May 31, 3 pm Proceed to "Step 2"

Please call us as first, If you have any concerns of symptom about you or your family.
See this flowchart
Summary of Monitorings Other Indexs

Status of test positives

  • (Note) Excluding the returnees on charter flights or the cruise ship passengers.
  • (Note) "serious symptoms" is the number of test positives who need ventilators or medical treatment in the ICU
  • (Note) It takes a certain period of time to grasp the number of hospital discharges, and the figures will be updated once confirmed.
  • Number of Test positives (Cumulative) 5,343 persons
    • Hospitalized 272 persons
      • Mild-moderate 246 persons
      • Serious symptoms 26 persons
    • Receiving treatment at lodging facilities 32 persons
    • Recuperating at home 14 persons
    • Hospitalization / Medical treatment, etc. 29 persons
    • Passed away 309 persons
    • “Discharged,etc.” (including recuperation period) 4,687 persons

Changes of Number of newly patients

20 persons
6/5 as a day（Day-over-day change: -8 persons）
  • (Note) From the date when the Public Health Center provided the information.
  • (Note) Including the examinations at medical institutions
  • (Note) Excluding the returnees on charter flights or the cruise ship passengers.

Summary of Monitorings

Item Value Reference value
alleviates Re-requesting
（1）新規陽性者数 18 persons <20人/日 50人/日
（2）新規陽性者数における接触歴等不明率 46.8 % <50% 50%
（3）週単位の陽性者増加比 1.54 <1 2
（4）重症患者数 26 persons 【参考】100床(レベル1)
（5）入院患者数 272 persons 【参考】1,000床(レベル1)
（6）PCR検査の陽性率 2 % ―
（7）受診相談窓口における相談件数 1,090 cases ―
  • ※ (1), (2), (6), (7) are calculated as a 7-day moving average (Ex.the moving average on 7th May is the actual value from 1st May to 7th May Averaged). if the number of (1) is less than 10 people, (2) and (3) shall be reference values.
  • ※The figures for (4) and (5) are based on the number of beds secured according to the number of patients.
    (4) Number of serious patients Level 1: 100 patients -> Level 2: 300 patients -> Level 3: 700 patients
    (5) Number of hospitalized patients Level 1: 1,000 patients -> Level 2: 3,000 patients -> Level 3: 4,000 patients
  • ※ (1), (2), and (3) are calculated from the number of test positives reported by the Public Health Center
  • ※Preliminary value. May be modified later
  • ※(6) is not updated on Sundays and national holidays. (7) is not updated on Saturdays, Sundays, and national holidays

(1) Number of newly test positives

18 persons
Statistics for 6/5（Day-over-day change: -0.3 persons）
  • (Note) From the date when the Public Health Center provided the information.
  • (Note) Including the examinations at medical institutions
  • (Note) Excluding the returnees on charter flights or the cruise ship passengers.
  • (Note) The positive rate here is 7 days moving average that levels the day-to-day variation caused mass infection and others, with consideration on the purpose of overall trend analysis. (e.g. the positive rate of 7th May is calculated by the average during 1st to 7th May.)

(2) Rate of unknown route of infection in newly test positives

46.8 %
Statistics for 6/5（Day-over-day change: -0.1 %）
  • (Note) New positives for each day (report date) submitted by the public health center, was classified into Unknown or known infection route, etc.
  • (Note) The positive rate here is 7 days moving average that levels the day-to-day variation caused mass infection and others, with consideration on the purpose of overall trend analysis. (e.g. the positive rate of 7th May is calculated by the average during 1st to 7th May.)
  • (Note) The graph starts from March 27, from which the breakdown of patients such as close contacts is published

(3) Ratio of Increased test positives by week

1.54
6/5 Statistics for （Day-over-day change: -0.49 ）
  • (Note) The ratio of the number of new positive reports from public health centers over the last week and the number of reports during the previous week.
  • (Note) The graph starts from 22th Feb by considering the statistical significance

(4) Number of serious patients

26 persons
6/5 Statistics for （Day-over-day change: -1 persons）
  • (Note) Number of hospitalized patients who need ventilators or medical treatment in the ICU
  • (Note) The graph starts from Apr. 27 from which the serious patients are counted as above

(5) Number of hospitalized patients

272 persons
6/5 Statistics for （Day-over-day change: -18 persons）
  • (Note) Hospitalized patients up to May 11 are reference values as they include patients in lodging facilities and at home
  • (Note) The graph starts from Mar. 6 from which the number of hospitalized patients is published

(6) PCR test positives

2 %
Statistics for June 4（Day-over-day change: 0 %）
  • (Note) Rate of Test Positives : Moving average of test positive patients /Moving average of Tested people (as test positive + negative cases)
  • (Note) The positive rate here is 7 days moving average that levels the day-to-day variation caused mass infection and others, with consideration on the purpose of overall trend analysis. (e.g. the positive rate of 7th May is calculated by the average during 1st to 7th May.)
  • (Note) Based on the date when the test result is confirmed.
  • (Note) After 7th May,Calculated based on (1) The Tokyo Metropolitan Institute of Public Health, (2) PCR Center (regional outpatient/inspection center), and (3) medical insurance inspection results. From 10th April to 6th May , (3) is not included and only (1) and (2) are included. Before 9th April, (2) and (3) are not included and only (1) data is included.
  • (Note) The graph starts from 15th Feb by considering the statistical significance (Although there were a newly infected patient each on 24th, 25th, 30th Jan. and 13th Feb, and two newly infected patients on 14th Feb.)
  • (Note) The number is published as preliminary figures and may be revised as confirmed data at a later date

(7) Number of calls in The COVID-19 Consultation Hotline

1,090 cases
Statistics for 6/4（Day-over-day change: +62 cases）
  • (Note) the moving averages for the past 7 days are shown as a line graph for the purpose of leveling these variations and looking at the overall trend. (ex.7th May of the moving average for the day is the average of the actual values from 1st May to 7th May.) Because the daily results fluctuate due to variations in the number of cases depending on the day of the week, etc.
  • (Note) The graph starts by opened The Tokyo COVID-19 Consultation Hotline (for Returnees and Potential Contact Persons)on 7th Feb.