Influenza Vaccination in the Emergency Department

Inclusion Criteria: * Unvaccinated patients presenting to the Emergency Department aged 6 months or more who have at least one high risk attribute: * Age 6-59 months or \>50 years * Pregnant * Health care worker * Aged 6 months-18 years on chronic aspirin therapy * Comorbidity (cardiovascular disease, pulmonary disease, metabolic disease, renal disease, hepatic disease, seizures, neuromuscular disease, cognitive dysfunction, or any reason to have had regular medical follow up or hospitalization in the preceding year) * Household contact or caregiver of someone with at least one high risk attribute Exclusion Criteria: * Prior vaccination * History of Guillan-Barre syndrome within 6 weeks of prior influenza vaccination * Allergy to influenza vaccination or eggs * Age \< 6 months old * Fever with more than minor illness * Hospitalization