noun🔗Share牛痘 An infection of cowpox."After working with cattle showing signs of cowpox, the veterinarian contracted vaccinia, a common risk in her profession. "兽医在接触了表现出牛痘症状的牛之后，感染了牛痘，这是她工作中常见的风险。medicinevirusdiseaseChat with AIVocabulary GamePractice Reading
noun🔗Share牛痘病毒 (by extension) The virus which causes this infection."Scientists used vaccinia, a close relative of the smallpox virus, to create the smallpox vaccine. "科学家们利用牛痘病毒（一种与天花病毒亲缘关系很近的病毒）制造了天花疫苗。virusdiseasemedicinebiologymicroorganismChat with AIVocabulary GamePractice Reading
