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Disease Update

Beating back peanut allergy, bit by bit

Once rare, sensitivity to the legume is now the most common cause of fatal allergic reactions to foods. New therapies might help.

Pathways to a cure for AIDS

Medications can control HIV, but not eliminate it. Scientists hope to one day vanquish it completely.

Norovirus: The perfect pathogen

It’s easy to get, but difficult to study or treat. Scientists are making progress against the virus thanks to an infusion of cash and a new way of culturing it in the lab.

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