Poor Mashiro tested positive for covid-19 just week before MAMA 2022 in Japan

WAKEONE stated, "Mashiro has already got the third vaccination for COVID-19. Mashiro tested negative on a home test kit, but she visited the hospital for an accurate result and tested positive on the rapid antigen test." The other Kep1er members are said to have tested negative.

Kep1er's Mashiro tests positive for COVID-19

Kep1er's Mashiro has tested positive for COVID-19.On November 22, Kep1er's label revealed Mashiro officially tested positive for COVID-19, a…

www.allkpop.com

Quote from ychofficial

I believe the self isolation is only a week. So who knows, she might get to perform.

I hope they will allow her to take test after 4-5 days

she was vaccinated 3 times and also from this press info it doesn't seem like she has any bad symptoms