The disease was first observed in a male tiger last year. Galya and two other female tigers believed to have carried the disease had been in contact with the male.

第一次发现这种疾病是去年在一头雄性东北虎身上，人们认为Galya和其他两只雌性东北虎是因为接触它而感染的。

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The more prevalent causes of death for male and female smokers were lung cancer and other respiratory diseases followed by heart disease, stroke, and vascular disease.

FORBES: The Smoking Gun: Women Catch Up To Men On Lung Cancer Risk