World Health Organization
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India's milestone in fighting polio was accomplished by a variety of forces working together.
12 reasons to really quit smoking; is it possible to be smoke-free in 30 days?
Sleeping soundly linked to brain activity; sisters bring happiness.
Research could lead to new drug targets.
Top 10 hospitals for heart care; why a strict “superfoods” diet is a mistake
Test your knowledge of the United Nations.
The World Health Organization declared the virus a pandemic.
3 things parents should consider as they adjust to life in a time of influenza pandemic
New analysis says H1N1 flu's spread is similar to that in big 20th-century pandemics.
The United States has had a measured response to spread of the H1N1 virus.