Can we make sure these celebrities get enough rest so they don't have to keep attaching themselves to IV drips?

During the press conference for SBS's 'Ddanddara' held at the production center on May 11, Ji Sung relayed the atmosphere on set.  "To tell the truth," he began, "Hyeri just got connected to an IV drip before coming here.  During the last filming, we all caught a cold together, so I was worried."

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Hyeri advised, "Everyone here today should also make sure to watch their hands and be careful of catching the cold after this ends."  Minhyuk concluded, "I didn't catch it, so you don't have to worry about me."