Key clinical point: The flu subtype a person is most susceptible to may depend on their birth year and the strain that circulated then.
Major finding: In the 2018-2019 season studied, H1N1 flu predominated among people born in 2010-2019 and in 1948-1995.
Study details: Analysis of data from 18,669 Americans hospitalized for influenza during the 2018-2019 season.
Disclosures: The study received no commercial funding. Dr. Garg had no disclosures.
Garg S. ID Week 2019, Abstract LB19.