Medical News Today: First dengue vaccine to be widely tested in humans shows promise

The world's first dengue vaccine to reach phase a 3 clinical trial is reported to be effective in 56% of cases. But further strategies and drugs are needed for effective control.

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Medical News Today: Psychological stress 'increases risk of stroke'

Life's stresses increase the risk of a stroke or transient ischemic attack, study suggests, and depressive symptoms are even worse for the chances of these cerebrovascular events.

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Medical News Today: Alcohol does not benefit the heart, claims new study

A new review drawing on 50 studies covering quarter of a million people questions previously held conclusions that a drink a day is good for heart health.

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Medical News Today: HIV found again in child believed to have been cured

Researchers have detected HIV in the child known as the 'Mississippi Baby' over 2 years after she was deemed to have been free of the virus.

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Medical News Today: Polio eradication could be sped up by extra vaccine dose

In areas where polio has not been eradicated, an extra vaccine dose given to all young children could reduce local and international spread, a study in The Lancet has suggested.

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