"Three hospital personnel have developed respiratory symptoms after coming into contact with Taiwan's first confirmed case of H7N9 avian flu, the Central Epidemic Command Center said Wednesday ( Read more... )

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"Flu experts have long warned once a particularly deadly strain of the flu, as H7N9 appears to be - it has killed 17 of the 87 people it has infected - becomes transmissible between humans, it can quickly spread ( Read more... )

"There hasn't been enough time to produce even the seed strain to make H7N9 vaccine, let alone small batches of a prototype vaccine for testing. So researchers haven't had a chance to see how a vaccine against this new flu strain might work in people ( Read more... )