Pandemic (H1N1) 2009 Outbreak at Camp for Children with Hematologic and Oncologic Conditions

Abstract
An outbreak of influenza A pandemic (H1N1) 2009 occurred among campers and staff at a summer camp attended by children with hematologic and oncologic conditions. The overall attack rate was 36% and was highest among children and adolescents (43%), persons with cancer (48%), and persons with sickle cell disease (82%).