Comorbidities^* and underlying conditions among influenza A H1N1pdm confirmed fatalities by age groups, Argentina, June 15^th–July 31^st, 2009.

*Comorbidities as defined by the Advisory Committee on Immunization Practices 10. †Including asthma. §Excluding hypertension. ¶Including diabetes. #Persons who have immunosuppression (including immunosuppression caused by medications or by human immunodeficiency virus, HIV). **Persons who have any condition (e.g., cognitive dysfunction, spinal cord injuries, seizure disorders, or other neuromuscular disorders) that can compromise respiratory function or the handling of respiratory secretions or that can increase the risk for aspiration. ††Including cerebrovascular disease, cerebral palsy, epilepsy, down syndrome, neurochronic disease. §§Does not include former and passive smokers. ¶¶Women only. n/a not applicable.