SKE48 has canceled 3 concerts in mid-March, the idol group announced today, due to concerns about the coronavirus:

KeyHolder Special SUPERLIVE2020 on 14 March 2020

SKE48 White Day Live 2020 〜Candy? or Cookie? on 15 March 2020

SKE48 Arena Concert in Yokohama Arena (Takayanagi Akane Graduation Concert) on 15 March 2020.

Original source: SKE48 official site