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Influenza Vaccine Information
The 2012-2013 influenza vaccine protects against the influenza A/California/7/2009 (H1N1)-like virus, the influenza A/Victoria/361/2011 (H3N2)-like virus, and the influenza B/Wisconsin/1/2010-like virus.
While the H1N1 virus is the same as the 2011-2012 recommendation, the recommended influenza H3N2 and B vaccine viruses are different from those recommended for the Northern Hemisphere for the 2011-2012 influenza vaccine. The Centers for Disease Control and Prevention (CDC) recommends people receive a yearly flu vaccine even when there are no changes to the vaccine. It is recommended to receive a yearly flu shot because a person’s immune protection from being vaccinated decreases over a year and yearly vaccination provides the best protection against the flu.
There are four different vaccines available this season. In addition to the regular flu shot, there are two other flu shots given with a needle, including a high-dose flu shot for people 65 and older and an intradermal (given in the skin) flu shot for people 18 to 64 years of age. There is also a vaccine that is given as a nasal mist.
The CDC recommends that influenza vaccination begin as soon as 2012-2013 flu vaccine becomes available and continue throughout the flu season. People should begin getting vaccinated as soon as vaccine becomes available in their community.
These people include:
Vaccination rates have increased but remain lower among certain groups of people that are recommended to receive the vaccination every year: 42.7% in adults ages 50 to 64, 64.9% in people 65 and olderi, 47% in pregnant womenii, and 66.9% in health-care workersiii.
i - Centers for Disease Control and Prevention Website, Vaccination Coverage.
ii - Influenza Vaccination Coverage Among Pregnant Women - United States, 2011-12 Influenza Season. MMWR 2011;61(38):758-763
iii - Influenza Vaccination Coverage Among Health-Care Personnel - United States, 2011-12 Influenza Season. MMWR 2012;61(38):753-757.
Information on Licensed Influenza Vaccine by Age Group 2012-2013 (CDC)
Fluzone Intradermal Fact Sheet (PR Newswire)
Fluzone Intradermal Information (CDC)
Aqui No Hay Influenza
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