Flu vaccine lowered risk of hospitalization in Southern Hemisphere by 35% , lower than in past -- CDC

Flu vaccine lowered risk of hospitalization in Southern Hemisphere by 35%: CDC This year's flu vaccine reduced the risk of hospitalization in the Southern Hemisphere but wasn't as effective as the one used in the prior season, a new CDC study found. ABC News ABC News

This year's flu vaccine significantly reduced the risk of hospitalization in the Southern Hemisphere but wasn't as effective as the vaccine used in the prior season, according to an early study from the Centers for Disease Control and Prevention published Thursday.

Countries in the Southern Hemisphere experience their flu season before countries in the Northern Hemisphere. This often provides a glimpse as to what the upcoming flu season may potentially look like for the Northern Hemisphere, though it is not fully predictive of what may occur in each individual country, health officials said.

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