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H1N1 (originally referred to as Swine Flu)

The H1N1 flu virus caused a world-wide pandemic in 2009. It is now a human seasonal flu virus that also circulates in pigs.

  • Although the World Health Organization (WHO) announced the pandemic was over in August 2010, H1N1 is still circulating.
  • Getting the flu vaccine is your best protection against H1N1.
  • You cannot get H1N1 from properly handled and cooked pork or pork products.
  • Symptoms of H1N1 are similar to seasonal flu symptoms.

What is H1N1 flu?

H1N1 is a flu virus. When it was first detected in 2009, it was called “swine flu” because the virus was similar to those found in pigs.

The H1N1 virus is currently a seasonal flu virus found in humans. Although it also circulates in pigs, you cannot get it by eating properly handled and cooked pork or pork products.

Is H1N1 still a threat?

On August 10, 2010 WHO announced that the world is in a post-pandemic period. However, H1N1 is still circulating. H1N1 is included in the 2011-2012 seasonal flu vaccine. 

What are the symptoms of H1N1 flu?

The symptoms of H1N1 are the same as seasonal flu symptoms

How does H1N1 flu spread?

 The H1N1 flu virus spreads between people in the same way that seasonal flu viruses spread. 

How can I prevent H1N1 flu?

The best way to prevent the H1N1 flu is to get the seasonal flu vaccine.  The 2011-2012 flu vaccine includes protection against the H1N1 flu virus. You should also follow our everyday steps to keep yourself healthy during flu season.

Vietnam has begun a phase 1 clinical trial for the first H1N1 pandemic influenza vaccine developed entirely in Vietnam with support from the U.S. Department of Health and Human Services’ Biomedical Advanced Research and Development Authority (BARDA). This is the first step in testing the new vaccine in humans. The study and data analysis is expected to be complete by the end of 2012.

I have H1N1. What should I do?

If your health care provider has diagnosed you with H1N1, you should follow our treatment recommendations and your health care provider’s orders.

Who is monitoring H1N1 in the U.S.?

The Centers for Disease Control and Prevention (CDC) tracks seasonal flu activity, which includes H1N1.

Related Links

2009 H1N1 Flu

History of Flu Pandemics

Timeline of Influenza A(H1N1) Cases