Coughing yellow purulent sputum is a bacterial infection? Do you have to take antibacterial treatment? See what the guidelines say! Posted on 2022 年 4 月 29 日 by Moderator （ 文章導覽How does the epidemic look at the cabin, the Shanghai cabin has begun to “bed waiting for people”Chocolate contaminated with salmonella has flowed into more than 100 countries. What are the symptoms of eating it?