Las Vegas Sun - Photograph : China Bird Flu

January 22, 2018

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A health worker in full protective gear picks up a chicken which was suffocated by carbon dioxide at a wholesale poultry market in Hong Kong, Tuesday, Jan. 28, 2014.

Vincent Yu / AP

A health worker in full protective gear picks up a chicken which was suffocated by carbon dioxide at a wholesale poultry market in Hong Kong, Tuesday, Jan. 28, 2014.