Jenner encountered some public resistance and professional chicanery in publicizing his findings , and he experienced difficulties in obtaining and preserving cowpox vaccine .
詹纳在宣传他的发现时遇到一些公共性和专业强辩，他在获得和保持牛痘疫苗的困难。
Apparently jenner , 28 , attempted to break up a pedestrian bar fight around 1 a.m.and in return got his head smashed by a beer bottle .
To enhance this effect , jennerex biotherapeutics of san francisco , california named after edward jenner , who reported his discovery of smallpox vaccine in 1798 gave the live virus two genetic modifications .
