What is going to happen? Is the oseltamivir resistant strain of H1N1 likely to become the predominant strain of H1N1 worldwide this influenza season?
It is simply too early to know. Information to date indicates that the resistant virus is transmissible from person-to-person and that these viruses continue to circulate in some countries. However, the prevalence of resistant viruses varies widely in European and other countries. They are predominant only in Norway at present. Thus, it is possible that the resistant strain will not become more common in other countries this season or continue to circulate in future seasons. Careful monitoring will be required throughout the rest of the season to follow the situation globally.
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