Carrat, Fabrice Heterosubtypic immunity to influenza: right hypothesis, wrong comparison. [electronic resource] - The Journal of infectious diseases Jun 2006 - 1613; author reply 1613-4 p. digital Publication Type: Comment; Letter ISSN: 0022-1899 Standard No.: 10.1086/503781 doi Subjects--Topical Terms: AdultChildHumansInfluenza, Human--immunologyOrthomyxoviridae--classification