About two-thirds of the mice developed flu symptoms, primarily weight loss.
2
卫生厅表示，同患者有过亲密接触的其他人员目前均未出现禽流感症状。
None of the people who came into close contact with the patients have developed symptoms of the flu, the health department said.
3
在墨西哥城的国际机场，乘客质疑，努力防止任何人只要有禽流感症状登上飞机和传染疾病。
At Mexico City's international airport, passengers were questioned to try to prevent anyone with flu symptoms from boarding airplanes and spreading the disease.
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