Just like they have never evaluated ANY vaccine for its carcinogenic or mutagenic properties. For example:
13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility
M-M-R II vaccine has not been evaluated for carcinogenic or mutagenic potential or impairment of
fertility.
If we don't want to know, we just don't look for it.
Just like they have never evaluated ANY vaccine for its carcinogenic or mutagenic properties. For example: 13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility M-M-R II vaccine has not been evaluated for carcinogenic or mutagenic potential or impairment of fertility.
If we don't want to know, we just don't look for it.