Number of mutant strains tested (Prefectural Institute of Public Health)

Open data on the number of mutant strain PCR tests conducted by the Prefectural Institute of Public Health by week.

Information about files

Last Update 2022/02/21 19:40 (UTC+09:00)
Create Date 2021/06/02 21:30 (UTC+09:00)
File name 080004_ibaraki_covid19_mutant_test_people.csv
File size 3.61 KiB
Data format CSV
License Creative Commons License CC BY-SA 4.0
Indication of the source is required, but commercial use and modification is permitted. If you modify or process the work, please distribute it under the same "CC BY-SA 4.0" license as this data. Please include the URL of this page as the source.

If you have any questions or requests, please send them to info@a01sa01to.com .

Points to note when using the system

  • This data follows the format of "Open Data Item Definitions for COVID-19 Infection Control" and is available as open data on the status of infection in Ibaraki Prefecture.
  • While every effort has been made to ensure the accuracy of the information in this data, I am not responsible for any actions taken by users using the information on this site.
  • This data is based on the official information of the prefecture. It is not officially published by the prefecture.
  • If you download a CSV file and display it in Excel, you may encounter garbled characters or different columns. In this case, please use another software.
  • As for the data on Omicron strains, due to the difference in the testing method, the "number of positive test results" does not represent the actual number of positive test results, but only the "number of specimens with possible Omicron strains."


You can download it from the button below. You can also download it from the following URL using various libraries such as cURL.

About Opendata API

In addition to direct download, you can also use the Opendata API provided by this site. Learn more about how to use the Opendata API.

The query used in the API is as follows. Replace [YOUR QUERY HERE] with the following, escaping newline characters as appropriate.

query {
  covid19_ibaraki {
    mutant_test_people( [PAGINATION INFO] ) {
      dataset {
        date_from        # Starting point of the inspection implementation period: String!
        date_to          # Ending point of the inspection implementation period: String!
        government_code  # National Local Government Code: String!
        prefecture       # Name of prefecture: String!
        city             # Name of city, town or village: String
        tested           # Number of people tested: Int!
        positive         # Number of test positive: Int!
        strain_name      # Mutant strain name: String!
      pageinfo {
        hasPreviousPage  # Whether or not there is a previous page: Boolean!
        hasNextPage      # Whether there is a next page or not: Boolean!
        startCursor      # The first Cursor on the current page: String!
        endCursor        # The last Cursor on the current page: String!
      last_update  # Last Update: String!