Each year in the USA, the seasonal influenza virus contributes to a rise in economic cost, hospitalization rates, and influenza-associated deaths. [1][2][3][4][5] The influenza vaccine was highly effective in preventing influenza illnesses. From 2018 to 2019, the influenza vaccine helped prevent 3500 influenza-associated deaths and over 50 000 hospitalizations. 6 Despite the effectiveness and safety of the influenza vaccine, the average vaccination rate among the US adult population is less than 50%, 6,7 which is below the Healthy People 2020s target rate of 80% to ensure herd immunity within a population against the influenza virus. 7 Pregnant women and infants are at a greater risk of suffering from complications, severe illness, and hospitalizations associated with the influenza virus. [8][9][10][11][12] One study found an increased rate of hospitalizations related to respiratory illness among pregnant
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