Recently, KHB received a notification from the World Health Organization (hereinafter referred to as "WHO") that the "Diagnostic Kit for COVID-19 Antigen Test (Colloidal Gold) (Chinese name: 新型冠状病毒（2019-nCov）抗原测试套件（膠体金方法）) was listed on the WHO Emergency Use List (English name: "Emergency Use Listing", hereinafter referred to as "EUL") on June 6, 2022, which is available for procurement in other countries and regions.