The US Centers for Disease Control and Prevention (CDC) have made a startling announcement this week. Two children previously vaccinated for the H1N1 influenza virus have contracted a new strain named H3N2 in what is being called a virus "reassortment." The good news is both have been treated successfully, but what's next? The viruses are similar but not identical to each other, but they are different from eight other H3N2 infections identified in people over the past two years because they both contain the so-called matrix gene from the pandemic H1N1 influenza strain...
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