Flu cases picking up momentum in January

As expected, cases of the flu increased in January. The CDC reports Influenza A(H1N1)pdm09, influenza A(H3N2), and influenza B viruses continue to co-circulate. The percentage of specimens testing positive for flu viruses in the nation’s clinical labors rose for the week ending January 19. So far, the CDC says influenza A viruses have made the most people sick since the beginning of the flu season in October.