| 1. | A study on mask for preventing respiratory infectious disease
预防呼吸道传染病口罩的研究 |
| 2. | Tuberculosis is respiratory tract contagion
肺结核是呼吸道传染病。 |
| 3. | Notice to strengthen the control of respiratory diseases in spring
加强春季呼吸道传染病防治工作的通知 |
| 4. | Letter to doctors - acute respiratory illness outbreak in canada
有关加拿大的急性呼吸道传染病爆发事件 |
| 5. | 24 . does wearing a mask help to prevent respiratory tract infections
24 .佩戴口罩有助预防呼吸道传染病吗 |
| 6. | Wearing a mask is just one way to help prevent respiratory tract infections
佩戴口罩只是预防呼吸道传染病的方法之一。 |
| 7. | Wearing a mask is just one way to help prevent respiratory tract infections
佩戴口罩只是预防呼吸道传染病的方法之一。 |
| 8. | Sars is a viral respiratory infection caused by a coronavirus sars - cov
沙士是由一种冠状病毒sars - cov引起的呼吸道传染病。 |
| 9. | Guidelines on prevention of respiratory infections for participants of public functions
预防呼吸道传染病的健康指引-给参与公众活动者 |
| 10. | Sars is a viral respiratory infection caused by a coronavirus ( sars - cov )
沙士是由一种冠状病毒( sars - cov )引起的呼吸道传染病。 |
