Dante Lam
In May 2011, Chou started filming for a new movie, "The Viral Factor" directed by Dante Lam and starred various well known artistes such as Nicholas Tse. The movie was released in theatres over Asia on 17 January 2012. With most of the scenes shot in the Middle Eastern and Southeast Asian countries, earlier filming process has been slightly disrupted due to political conflicts in the Middle East.