The Covid-19 pandemic has taken a disproportionate toll on women’s careers, finances and home lives. Although the vaccines may represent a solution, as scientists studying coronavirus infection and immune responses in women, we are now hearing from young women who say they might skip the shots out of fear for their fertility or nursing child. We are concerned about how inaccurate, extreme and widespread these theories have become, because getting vaccinated is the best way for women to protect themselves and their families.