Bron: Greenmedinfo.com, 23 March 2018
Endogenous retroviruses as potential hazards for vaccines Author:TakayukiMiyazawa, 2010.
Many live attenuated vaccines for animals are manufactured by using cell lines from animals, which are known to produce infectious [endogenous retroviruses] ERVs; however, the risks of infection by ERVs from xenospecies through vaccination have been ignored,[1] and which may contribute to, or cause, serious diseases like cancer in exposed populations.