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Harvard Reviews of Health News

The flu vaccine is even less effective than health officials thought against the strain of influenza making most people sick this season. Getting the vaccine has reduced the risk of illness from the H3N2 strain of flu by only 18%, a new report says. The repor...

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Health Decision Guides


Lumps or Pain Within the Scrotum

Seek immediate medical attention! Your pain could be a sign of a medical emergency, such as testicular torsion, or a severe infection such as orchitis. Failing to get urgent attention could result in severe damage to the testicle.

Online Medical Reviewer: Faculty of Harvard Medical School
Date Last Reviewed: 6/14/2006
Date Last Modified: 11/1/2007
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