Weakened vaccine is a factor as flu season escalates

December 23, 2014 4:50 AM

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AUSTIN -- With flu illness now widespread in Texas, doctors and health officials are urging people to get vaccinated, despite a poor match between this season’s dominant flu strain and the vaccine.

The vaccine still covers other strains of the flu and could confer some protection against the badly matched H3N2 strain. It is the most commonly circulating strain this season and tends to cause more severe illness. That, combined with the poor match, could explain why the flu is keeping Central Te...

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