According to the compulsory testing notice to be issued today, any persons other than those specified above who had been present at the above building for more than two hours from June 22 to June 28, 2022, even if they were not present in the "restricted area" at the time when the declaration took effect, must undergo compulsory testing on or before June 30, 2022. As a mutant strain is involved, for prudence's sake, vaccinated persons and persons who have recently been tested are also required to undergo testing.