Health outcomes of young children born to mothers who received 2009 pandemic H1N1 influenza vaccination during pregnancy: retrospective cohort study.

ABSTRACT:

Objective

To determine whether any association exists between exposure to 2009 pandemic H1N1 (pH1N1) influenza vaccination during pregnancy and negative health outcomes in early childhood.

Design

Retrospective cohort study.

Setting

Population based birth registry linked with health administrative databases in the province of Ontario, Canada.

Participants

All live births from November 2009 through October 2010 (n=104 249) were included, and children were followed until 5 years of age to ascertain study outcomes.

Main outcome measures

Rates of immune related (infectious diseases, asthma), non-immune related (neoplasms, sensory disorders), and non-specific morbidity outcomes (urgent or inpatient health services use, pediatric complex chronic conditions) wer

SUBMITTER: Walsh LK 

PROVIDER: S-EPMC6614795 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature