Diep said there is reason to believe that the more drug-resistant strain will make that leap because it is just a slight variant of USA300, which became one of the most common strains of MRSA in the United States only a few years after it was first detected.<ref>http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2008/01/15/MNI5UE0L8.DTL</ref>}} | Diep said there is reason to believe that the more drug-resistant strain will make that leap because it is just a slight variant of USA300, which became one of the most common strains of MRSA in the United States only a few years after it was first detected.<ref>http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2008/01/15/MNI5UE0L8.DTL</ref>}} |