China has isolated it's nature reserves and sent more than 3 million doses of bird flu vaccine to a remote western province after migratory birds were found dead from the H5N1 strain of bird-flu.

Poultry across far-flung Qinghai province, neighboring Tibet and Xinjiang, had become the "target of a compulsory vaccination campaign", reportedthe China Daily newspaper story

Microsoft Corp. chairman Bill Gates pledged $250 million for a total of $450 million to a project he initiated in 2003 to get the world's top scientific minds to find remedies of the deadliest diseases.

He announced the contribution while delivering a speech as a featured speaker at the World Health Organization's annual assembly on Monday

Swiss researchers reported results Saturday of an experimental vaccine against nicotine that helped smokers kick the habit.

Still in its preliminary stages, the test of heavy smokers suggested that 40 percent were able to quit smoking for nearly six months after receiving the vaccine

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A case of polio has been found in Indonesia, leading to fears that an outbreak that began in Africa has crossed to Southeast Asia

U.S. scientists have developed a gel that when applied to the vagina, remains active and protects against herpes for up to 10 days.

So far, studies in mice have shown that the gel completely blocks infection