THE FLU Trailer. Release Date : August 2013 "The Flu" is the first ever South Korean disaster film about a viral pandemic. It has been garneTHE FLU Trailer. Release Date : August 2013 "The Flu" is the first ever South Korean disaster film about a viral pandemic. It has been garneTHE FLU Trailer. Release Date : August 2013 "The Flu" is the first ever South Korean disaster film about a viral pandemic. It has been garne