5.2 TIFUS %EC%99%B8%EB%B2%BD %28%EC%BB%A4%ED%8A%BC%EC%9B%94%2F%EC%BD%98%ED%81%AC%EB%A6%AC%ED%8A%B8%EB%B2%BD%EC%B2%B4%29 %EC%8B%9C%EA%B3%B5%EC%82%AC%EB%A1%80