For local influenza activity and surveillance information, click here.
Influenza General Information Influenza (the flu) is a contagious respiratory illness caused by influenza viruses.¬† It can cause mild to severe illness, and at times can lead to death.¬† Some people, such as older people, young children, and people with certain health conditions are at high risk for serious flu complications.¬† The best way to prevent the flu is by getting vaccinated each year.¬† The Centers for Disease Control and Prevention (CDC) and the Douglas County Health Department¬† (DCHD) recommend that everyone over 6 months of age should get vaccinated to protect themselves and others from the flu.
The upcoming season's flu vaccine will protect against the three (trivalent vaccine) or four (quadrivalent) influenza viruses that research indicates will be the most common during the season.¬† This includes an influenza A (H1N1) virus, an influenza A (H3N2) virus, and one or two influenza B viruses, depending on the formulation.
Symptoms of Seasonal Influenza
All types of flu can cause:
- Coughing and/or sore throat
- Runny or stuffy nose
- Muscle or body aches¬†
In addition, some people may experience vomiting and diarrhea, however, this is more common in children than adults.
How to Prevent Catching and Spreading the Flu
- Cover your mouth and nose when you cough or sneeze
- Wash your hands often with soap and water, or use an alcohol based sanitizer
- Avoid touching your eyes, nose or mouth
- Try to avoid close contact with sick people
- Stay home if you are sick until at least 24 hours after you no longer have a fever (100 degrees F)
- Follow public health advice regarding school closures, avoiding crowds and other social distancing measures
- Get vaccinated.¬† Yearly flu vaccination is the best way to prevent getting the flu.
Current Douglas County Flu Activity and Surveillance (to sign up for email notification of influenza and other surveillance reports, click here)
- Latest Influenza¬†Surveillance Report¬†(Updated 11-21-2014)
- Current Flu Activity Surveillance (Graphs)
- Laboratory Confirmed Cases by MMWR Week, 2014 - 2015 Flu Season
- Laboratory Confirmed Cases by MMWR Week, 2010 -¬†2015
- Laboratory Confirmed Cases by Influenza Season,¬†2004 -¬†2015
- Laboratory Confirmed Cases by Month, 2006 -¬†2015
- Percentage of Provider Visits for Influenza-like Illness - By Region
- School Absenteeism in Douglas County and Class Level, 2014 -¬†2015
- School Absenteeism in Douglas County by MMWR Week, 2010 - 2015 School Years
Information for Individuals and Families
- Good Health Habits Can Help Stop Germs
- Workplace Cleaning Guidance
- Managing Your Flu Symptoms
- Grupos con alto riesgo de la grip porcina
Information for Businesses
Information for Health Care Providers
- Final report of 2013-14 Season
- Final report of 2012-13 Season¬†
- CDC Seasonal Influenza Website
- Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices (ACIP) ‚ÄĒ United States, 2014‚Äď15 Influenza Season
Disinfectants Registered for use Against Influenza A viruses, Including 2009 H1N1 Flu
- Antimicrobial Products Registered for Use Against the H1N1 Flu and Other Influenza A Viruses on Hard Surfaces