Distribution of mutations with regards to NA subtype.

<p>Mainly adopted from Orozovic et al. <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0089306#pone.0089306-Orozovic1" target="_blank">[26]</a>.</p>1)<p>Sum of all R118K mutations.</p>2)<p>Mutation unrelated to inhibitor resistance.</p>3)<p>Isolates that were not analyzed.</p>4)<p>Previously published values.