Published 11/04/2009 by Time
Swine Flu: H1N1 Hits the Young, but Riskier for the Old
As the number of H1N1 cases continues to climb in the U.S., researchers are collecting more and more data on the spread of the pandemic flu and getting a clearer picture of its victims $ who is most vulnerable to H1N1, how the most severe cases progress and...
Share this
What others report on the same story