Contagion

To promote this film, Warner Bros. Pictures Canada built two giant Petri dishes treated with bacteria and fungi and set them in a Toronto storefront window. Over several days, the bacteria and fungi specimens grew to spell out the name of the film and form biohazard symbols.

When Li Fai, the Hong Kong patient, exits the elevator on his way home, the two red Chinese characters on the wall means "the 10th floor", while the display of the elevator says it's the 9th. However, this is likely not a goof. Floor numbering has become quite confused in Hong Kong due to a combination of British numbering (ground floor -> 1st -> 2nd -> 3rd) and the Chinese system which counts the ground floor as the 1st. Also, due to other traditions in regard to the number 4, that number may be skipped when numbering the floors. Like the number 13 in some Western countries, 4 is considered unlucky because it sounds like "to die" in Cantonese. For example, it's considered unlucky to arrange lucky bamboos in groups of four.

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Featured in Chris Stuckmann Movie Reviews: Contagion (2011)