- Notice to continue adherence to new coronavirus infection prevention measures (February 16th)
- Points of caution for the end of the school year events, etc. (February 12th)
- Measures concerning the new coronavirus (COVID-19) (January 14th announcement)
- Measures concerning the new coronavirus (COVID-19) (January 12th announcement)
- Gatherings and returning home for the year end/ New Year holidays (December 23th)
- Measures concerning the new coronavirus during the year end and New Year holidays (December 22th)
- Reminder to follow the new coronavirus infection prevention measures (November 19th)
- Measures concerning the new coronavirus (COVID-19) (November 10th announcement)
- Continued infection control measures for spontaneous events (October 30th)
- Measures concerning the spread of the new coronavirus infection during Obon holidays August 7th
- Measures concerning the new coronavirus during summer holidays August 5th
- Measures concerning the new coronavirus (COVID-19) (July 30th announcement)
- Measures concerning the new coronavirus (COVID-19) (July 27th announcement)
- Measures concerning the new coronavirus (COVID-19) (June 18th announcement)
- Measures concerning the new coronavirus (COVID-19) (June 4th announcement)
- Measures concerning the new coronavirus (COVID-19) (May 28th announcement)
- Measures concerning the new coronavirus (COVID-19) (May 22nd announcement)
- Measures concerning the new coronavirus (COVID-19) (May 15th announcement)
- Measures concerning the new coronavirus (COVID-19) (May 14th announcement)
- Measures concerning the new coronavirus (COVID-19) (May 8th announcement)
- Measures concerning the new coronavirus (COVID-19) (May 1st announcement)
- Measures concerning the new coronavirus (COVID-19) (April 22nd announcement)
- Measures concerning the new coronavirus (COVID-19) (April 20th announcement)
- Measures concerning the new coronavirus (COVID-19) (April 9th announcement)
- Measures concerning the new coronavirus (COVID-19) (April 3rd announcement)
- Measures concerning the new coronavirus (COVID-19) (March 18th announcement)
- Measures concerning the new coronavirus (COVID-19)(March 9th announcement) [void]
- Travelling abroad and the raising of the infection danger levels March 4th
- Measures concerning the new coronavirus (COVID-19) (March 2nd announcement)
- Measures concerning the new coronavirus (COVID-19)(Feb. 28th announcement)
- Measures concerning the new coronavirus (COVID-19) Feb. 25th
- Measures concerning the new coronavirus (COVID-19) (Feb. 20th announcement) [void]
- Raising of the infection danger level in China Feb. 17th
- Measures concerning the new coronavirus (COVID-19) (Feb. 13th announcement) [void]
- Measures concerning the new coronavirus (2019-nCov) Feb. 6th
- Food support measures concerning people required to stay at home due to the new coronavirus (2019-nCov) Feb. 6th
- Measures concerning the new coronavirus (2019-nCov) Feb. 5th [void]
- Measures concerning the new coronavirus (2019-nCov) Feb. 2nd [void]
- Raising of the infection danger level in China(notice) Jan. 31st
- Information about coronavirus (2019-nCoV) and flu Jan. 30th