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May 4, 2020

The Clinical Importance of a Second Dose of Influenza Vaccination in Young Children

Author Affiliations
  • 1NewYork-Presbyterian, Columbia University Medical Center, New York
  • 2Division of Child and Adolescent Health, Columbia University, New York, New York
JAMA Pediatr. Published online May 4, 2020. doi:10.1001/jamapediatrics.2020.0377

Young children—especially those younger than 2 years—are at an increased risk of hospitalization and complications from influenza.1 Children are also often responsible for spreading the virus to household members and other close contacts, who may themselves be at increased risk.2 In the 2018-2019 influenza season, children younger than 5 years had more than 2.9 million estimated illnesses, 2 million medical visits, over 20 800 hospitalizations, and 219 deaths.3 Most children who die from influenza are not vaccinated.4

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