Always maintain proper personal hygiene, wash hands at all times. Cover your mouth when sneezing or coughing. Get vaccinated annually against human influenza.
英
美
释义
始终保持适当的个人卫生,勤洗手。掩住嘴打喷嚏或咳嗽。每年注射流感疫苗对抗人类流感。
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