It's been revealed that Nogizaka46 members Saito Asuka and Yamashita Mizuki have tested positive for COVID-19. 

Nogizaka46 conducted PCR tests for all senbatsu members from April 6th to the 8th when they learned that Saito and Yamashita had been infected with the virus. While their symptoms have settled, they are isolating at home while awaiting further instruction from the health center. Meanwhile, the other senbatsu members have all received negative results.