Known to have been confirmed of swine flu on 23rd November, f(x) members Sulli, Amber and Krystal have fully recovered from the flu.
According to SM Entertainment on 28th November, “Amber, Sulli and Krystal have received that medical examination report today saying that they have fully recovered. They will resume promotions on 30th November.”
After knowing that they are done with the flu, Amber and Sulli stayed at their dormitory while Krystal went back to home to rest. The other members – Victoria stayed with another SM girlgroup at their dormitory while Luna went back home to rest during this period. On 28th November, the members will all return to their own dormitory.