Michigan COVID-19 vaccinations: How to find appointments, info on phasesAnother recently asked question is about the effects of the vaccine on women who are breastfeeding. No specific studies have been done to evaluate any possible effect that the vaccine would have on breastfeeding. With that noted there is no reason to think the vaccine would have any adverse effect on breastfeeding or the child. Another viewer asked, “Hank Aaron took the shot and died a couple days later, did that vaccine cause his death? The CDC is watching for any indication of unusual patterns of adverse effects after receiving the vaccine.