Influenza cases breach baseline threshold for first time this season
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Influenza-like illness (ILI) exceeded the national baseline level for the first time this influenza season, increasing to 2.3% during the week of December 17.
Why this matters
This season’s trivalent and quadrivalent influenza vaccine formulations are well-matched to almost all currently circulating influenza viruses, which are also sensitive to the antivirals oseltamivir, zanamivir, and peramivir.
US Centers for Disease Control and Prevention (CDC) Morbidity and Mortality Weekly Report (MMWR) update on influenza activity from October to mid-December 2016.
After a steady increase in activity during November and early December, outpatient visits for ILI exceeded the national baseline...