Covid-19 Vaccination during Pregnancy - Two for the Price of One

The benefits of maternal vaccination to the infant through maternal antibody transfer across the placenta have long been recognized. In the 1870s, babies born to mothers who had received smallpox vaccination were unlikely to have smallpox early in life.(1) Tetanus toxoid vaccination during pregnancy, along with improved hygiene during delivery, has resulted in substantially reduced rates of neonatal tetanus in some developing countries.(1) Decreased risks of influenza and pertussis have been reported during the first few months of life among infants whose mothers had received the inactivated influenza vaccine and the combined tetanus-diphtheria-acellular pertussis (Tdap) vaccine, respectively. Both vaccines are . . .