On August 25th, SILENT SIREN announced via their official webpage that member Yukarun (Kurosaka Yukako / 32) has been infected with the novel coronavirus. 

According to the announcement, Yukarun saw a doctor on the 23rd after having fever symptoms and was confirmed positive for the virus. She will be recuperating and following up with her doctor under guidance of the health center. 

Although Su (Yoshida Sumire) wasn't considered to be a person of close contact, she took both the antigen and PCR tests considering her recent activities. Her results have come back negative.