“…Multiple systematic reviews have identified that a provider recommendation is the single most important predictor of influenza vaccine uptake among pregnant women [14,15]. In addition to provider recommendation, other barriers include women's knowledge, attitudes and beliefs about the vaccine, particularly concerns about the safety of the vaccine for both mother and infant, provider knowledge about the recommendation, and logistical barriers such as offering the vaccine on site and vaccine reimbursement from insurance companies [14,15,16,17].…”