A single dose of H1N1 vaccine is safe and induces a strong immune response predictive of protection, according to a clinical trial of inactivated H1N1 flu vaccine in people with asthma.
The findings also suggest that individuals over the age of 60 who have severe asthma may require a larger dose of vaccine.
“Asthma was the most common underlying health condition among those hospitalized in the United States with 2009 H1N1 influenza infection during the 2009-2010 influenza season,” says NIAID Director Anthony S. Fauci, M.D. “The results of this clinical trial show that the 2009 H1N1 influenza vaccine was safe and led to adequate production of antibodies thought to be protective against the virus. This is important because the H1N1 vaccine is one component of the seasonal influenza vaccine currently being distributed for the 2010-2011 influenza season.” [Read more...]