ROTAVIRUS VACCINE VS BREASTFEEDING Breastfeeding should absolutely be considered when thinking about the rotavirus vaccine! I think its effects are underestimated when it comes to conventional medicine, I know because I was trained conventionally! While it doesn’t completely eliminate the risk for severe infection, it does decrease the efficacy of the rotavirus vaccine and provides protection against severe disease. Sources include Duffy, et al. (1990), Cunliffe et al (2014), Victoria et al (201