- A/California/7/2009 (H1N1)pdm09-like virus
- A/Victoria/36/2011 (H3N2)-like virus
- B/Wisconsin/1/2010-like virus (from the B/Yamagata lineage of viruses)
The influenza virus is a dynamic bug that changes annually which means health conscious consumers get a new cocktail of viruses in their vaccinations each year. Of course, flu shots are still a crapshoot since unpredictable mutations are always a possibility. Flu season is in full swing. This year, the Center for Disease Control has targeted the following 3 strains, a couple you may even recognize from years past.