The Viral Factor (2012)
The Viral Factor is a 2012 Hong Kong-Chinese action film directed by Dante Lam and starring Jay Chou and Nicholas Tse. The supporting cast includes Lin Peng, Michelle Bai, Andy On, Carl Ng, Liu Kai-chi and Elaine Jin and the action director is Chin Kar-lok. Production started in March 2011,and it was released in January 17, 2012.
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