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.

The risk reduction observed with this year's vaccine falls within the historical effectiveness range against H3N2, which typically varies from 24% to 43%, according to the report's authors.

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 ...

The Southern Hemisphere's flu season is winding down, and new data shows this year's flu shot was 34.5% effective in keeping folks there who got influenza from needing hospital care.

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 ...

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 ...