• Oklahoma flu deaths grow to 279


    Quick Facts: 

    • Flu season started earlier, more severe symptoms
    • CDC saying flu shot is usually between 40 and 60 percent effective
    • Primary protection against Influenza B and A (H1N1), not as effective against A (H3N2)
    • Possible shot could eliminate need for yearly vaccinations
    • Check this story every Thursday for updated flu numbers in Oklahoma

    National reports indicate this year's flu season is starting earlier, and the symptoms are more severe than normal. 

    In Oklahoma, the virus killed 279 people across the state since Sept 2017. 

    Chart: Current flu numbers in Oklahoma




    The flu vaccine is typically effective at reducing the illness for between 40 and 60 percent of the population each season, according to the CDC, and this year, it is most effective against influenza B and influenza A(H1N1), but less effective against Influenza A (H3N2). 

    RELATED STORY: Why the flu shot worked less than half the time during last year's flu season

    As researchers try to make flu shots more effective, some are trying to make a universal shot that could erase the need for annual shots: 

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