Did Better Hygiene and Sanitation Get Rid of Vacci
标签： 瘟疫
健康话题 → 瘟疫（鼠疫）
Health Topics → Plague 鼠疫 也被称为:腺鼠疫，肺鼠疫 摘要 鼠疫是由鼠疫杆菌
瘟疫可能早在中世纪之前就已经开始消灭欧洲人
Plague may have begun wiping out Europeans long be
Did Better Hygiene and Sanitation Get Rid of Vacci
Health Topics → Plague 鼠疫 也被称为:腺鼠疫，肺鼠疫 摘要 鼠疫是由鼠疫杆菌
Plague may have begun wiping out Europeans long be