What should I do if a new coronavirus infection is confirmed at home, at acquaintances, friends, etc.? What should I do if I become a close contact person?

As the position of the Infectious Diseases Control Law of COVID-19 was changed on May 8, 2023, there is no need to refrain from going out under the law as a close contact person. Since you may be infected yourself, please take basic infection measures such as wearing a mask, hand hygiene such as hand washing, and ventilation. Let's take care such as refraining from contact with those who are at high risk of severe illness, such as the elderly.
Please pay attention to your physical condition for those who have COVID-19 as 0 days onset, especially for 5 days. It may develop until the 7th day.