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Influenza Fact Sheets and Resources

Influenza, also called "the flu", is caused by a virus that affects the nose, throat, airways, and lungs.  Influenza A and/or B typically circulates in the United States from the beginning of October through the middle of May.  One of the best ways to prevent the flu is by getting a flu vaccine each year.  

The 2017-2018 influenza vaccines will be available in two formulations: trivalent or quadrivalent.  Trivalent vaccines protect against the influenza A/Michigan/45/2015 (H1N1)pdm09-like, influenza A/Hong Kong/4801/2014 (H3N2)-like, and influenza B/Brisbane/60/2008-like (Victoria lineage) virus.  In addition to the three components in the trivalent vaccine, the quadrivalent vaccine also contains influenza B/Phuket/3073/2013-like (B/Yamagata lineage) virus. There are seven different types of vaccines available this year. The ACIP and CDC do NOT recommend the use of the nasal spray vaccine during the 2017-2018 season because of concerns regarding low effectiveness against influenza A (H1N1)pdm09 in the United States during the 2013-14 and 2015-16 seasons. For more information on flu vaccinations click here.  For more information on where you can get your influenza vaccine, please visit the Vaccine Finder or you may contact your local county health department.

How do I prevent the spread of influenza?

Here are the key steps to protect yourself and your loved ones from influenza and other respiratory illnesses this cold and flu season.  

  • Stay home from work, school, and  other public places if you are ill;
  • Make “respiratory hygiene” a habit, including use of tissues to cover
    coughs and sneezes, then disposing of them and performing hand
    hygiene immediately.  When tissues are not readily available, use your sleeve, never your hands;
  • Frequent hand hygiene using soap and water, or alcohol-based products
     such as hand gels when hands are not visibly soiled; and
  • The Centers for Disease Control and Prevention recommends that everyone six months of age and older receive an influenza vaccine each year to protect against influenza.  For more information about influenza vaccine click here.

Fact Sheets and Guidelines:

2017-2018 Seasonal Flu Facts

Cold vs. Flu:  Know the Difference

What Protects Me From the Flu

What You Need When You are Home Sick - Cold and Flu Supplies

 Suministros Para el Resfrío y la Gripe - Lo Que Necesita Cuando Está Enfermo En Casa

Hand Hygiene 

  Lave Sus Manos Para Evitar Propagación De Gérmenes

Antiviral Medicine Fact Sheet

The Flu:  A Guide for Parents

8 Infection Control Guidelines to Prevent Influenza

Reye Syndrome Fact Sheet (14k.pdf)

Flu Prevention Posters:

Flu Season is Here (699k.pdf)

   La Temporada de la Gripe Está Aquí (405k.pdf)

Cover Your Cough the Right Way (OSDH)

   Cubra Su Tos de la Manera Correcta Hoja Informativa (OSDH)

Cover Your Cough (CDC)

  Cubra Su Tos - Español (CDC)

Don't Let the Flu Get You (OSDH)

  No Deje Que le dé la Gripe (OSDH)

Too Sick for School (2M.pdf)

  ¿Demasiado Enfermo Para la Escuela? (1M.pdf)

Stay Well this Flu Season - Easy as 1,2,3 (1.3M.pdf)

Hand Hygiene Posters:

Hand Washing Steps  

   Como Lavar Sus Manos

Hand Washing - Adults 

  Adulto Lavado de Manos

Hand Washing - Kids 

  Ñino Cuándo debo lavar mis manos

If You’re Awesome and You Know It! – Version 1

If You’re Awesome and You Know It! – Version 2

Help Stop Respiratory Illness

Protect Those You Love

External Influenza Resources:

Seasonal Influenza (CDC)

"Take 3" Actions to Fight the Flu (CDC)


Families Fighting Flu


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