Key clinical point: Children who have received two doses of the influenza vaccine are better protected than are those who have received one dose.
Major finding: Of those who were fully vaccinated, 83% had received one dose in the current season, and 17% had received two doses.
Study details: Case-control study of 7,533 children.
Disclosures: The U.S. Influenza Vaccine Effectiveness Network is funded by the CDC, and this project also received support from the National Institutes of Health. Five authors declared grants and other funding from private industry outside the study.
Chung J et al. JAMA Pediatrics 2020 May 4. doi: 10.1001/jamapediatrics.2020.0372.