How Is Pandemic Flu Different from Seasonal Flu?
|
Seasonal Flu |
Pandemic Flu |
How often does it happen? |
Happens annually and usually peaks between December and February |
Rarely happens (three times in 20th century) |
Will most people be immune? |
Usually some immunity from previous exposures and influenza vaccination |
Most people have little or no immunity because they have no previous exposure to the virus or similar viruses |
Who is at risk for complications? |
Certain people are at high-risk for serious complications (infants, elderly, pregnant women, extreme obesity and persons with certain chronic medical conditions) |
Healthy people also may be at high risk for serious complications |
Where can I get medical care? |
Health care providers and hospitals can usually meet public and patient needs |
Health care providers and hospitals may be overwhelmed |
Will a vaccine be available? |
Vaccine available for annual flu season |
Although the US government maintains a limited stockpile of pandemic vaccine, vaccine may not be available in the early stages of a pandemic |
Will antivirals be available? |
Adequate supplies of antivirals are usually available |
Antiviral supply may not be adequate to meet demand |
How many people could get sick and suffer complications? |
Rates of medical visits, complications, hospitalizations and death can vary from low to high |
Rates of medical visits, complications, hospitalizations and death can range from moderate to high |
What impact will it have on schools and workplaces? |
Usually causes minor impact on the general public, some schools may close and sick people are encouraged to stay home |
May cause major impact on the general public, such as travel restrictions and school or business closings |
Related Links:
- Page last reviewed: December 9, 2016
- Page last updated: December 9, 2016
- Content source:
- Centers for Disease Control and Prevention, National Center for Immunization and Respiratory Diseases (NCIRD)
- Page maintained by: Office of the Associate Director for Communication, Digital Media Branch, Division of Public Affairs