Influenza is a contagious infection of the nose, throat, and lungs. There are two main types: A and B. Each type includes different strains that change from year to year.
Influenza is not the same as "stomach flu", which is used to describe illnesses with vomiting or nausea. Influenza is a specific respiratory disease and typical symptoms include: fever, chills, muscle aches, headache, cough, sore throat and general weakness. It is spread thorugh contact of an infected person by coughing and sneezing.
Influenza can be dangerous and may have life-threatening complications, such as pneumonia.Seasonal influenza vaccination can reduce the complications and hopitalizations associated with influenza. Vaccination is recommended for all persons six months of age and older.
Information for the General Public
Information for Public Health Departments
- Immunization Action Coalition
- Seasonal Influenza Disease Plan
- Seasonal Influenza Case Report Form
- Manual for the Surveillance of Vaccine-Preventable Diseases
Information for Healthcare Professionals
- American Academy of Pediatrics
- Antiviral Drugs
- Infection Control in Healthcare Facilities
- Influenza PCR Test Request Form
- Respiratory Hygiene in Healthcare Facilities
- Vaccination Guidelines
- Vaccine Information Statements