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The hospitalization rate for pandemic influenza A (H1N1)v 2009 of 150 prospectively followed, prematurely born infants did not differ significantly from that of term-born infants from the same geographical area (0.7% vs. 0.07%, P = 0.12), but was higher for other viral lower respiratory tract infections (5.3% vs. 0.6%, P < 0.0001). Pandemic influenza A H1N1 immunization uptake in the prematurely born infants was low (9.3%).

Original publication




Journal article


Pediatr Infect Dis J

Publication Date





91 - 92


Bronchopulmonary Dysplasia, Cohort Studies, Female, Hospitalization, Humans, Immunization, Infant, Newborn, Infant, Premature, Infant, Premature, Diseases, Influenza A Virus, H1N1 Subtype, Influenza Vaccines, Influenza, Human, London, Male, Pandemics, Prospective Studies, Respiratory Tract Infections