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Health

Flu vaccine was disappointing vs. some strains last season

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Published 2:51 PM

NEW YORK (AP) - U.S. health officials say the flu vaccine did a disappointing job last winter, and officials worry it might be a bad sign for the fall.

Flu vaccines for years were close to 60% effective against the flu strain that caused the most illnesses last winter, but it proved only 31% effective last season. Vaccines have already been only around 30% effective against another major type of flu.

Officials are worried the new results may be a sign of eroding effectiveness against a number of strains.

The findings were presented Wednesday during an over-the-internet meeting of an expert panel which the CDC looks to before making vaccination recommendations to U.S. doctors.

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Associated Press

This article was provided by the Associated Press.

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