jueves, octubre 01, 2009

Posibles causas de mayor afectación en "jóvenes"

Residual immunity against seasonal and pandemic influenza A(H1N1) virus in people born before 1950 is probably due to the lower capacity for drift of the H1N1 subtype, combined with the wide circulation of this virus between 1918 and 1957.

http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId=19344