J Dayre

Nov 29, 2023 | academic.oup.com | J Dayre |Alberta Precision Laboratories

Routine influenza immunization of all pregnant individuals has been recommended in Canada since 2007 [1]; similar recommendations have been adopted by many countries since the 2009 H1N1 influenza pandemic [2]. Influenza immunization during pregnancy not only directly protects pregnant people, who are considered at high-risk for severe influenza, but also passively protects newborns through transplacental transfer of maternal anti-influenza antibodies to the fetus [3, 4].