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Bird flu could become deadlier if it mixes with seasonal flu viruses, experts warn
By Kamal Nahas published
As of now, 17 states have reported H5N1 bird flu cases in humans, but there is still no evidence for transmission between people. Could that change?

'Wake-up call': Women are more likely than men to die of complications after heart surgery
By Julie Goldenberg published
Complications that arise after surgery are more likely to be underrecognized and undertreated in women than in men, leading to higher death rates, new research suggests. Why?
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