 Stuff.co.nz | Experts unclear how China bird flu infects humans - Huffington Post Huffington Post BEIJING — Almost three weeks after China reported finding a new strain of bird flu in humans, experts are still stumped by how people are becoming infected because many appear to have had no recent contact with live fowl. The uncertainty adds to ... Hong Kong's health system gears up to fight H7N9 Zhejiang reports 4 new H7N9 cases Online pictures of dead birds spur China flu openness |
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