Influenza A: The thin red line between prevention, information and scaremongering

* Each new death is a great owner, advertised in mass vaccinations no shortage of dire predictions ...
* We know that the first pandemic of the XXI century fast forward, but also that, for now, is far less deadly than the common cold.
* Is there a concern is excessive or justified? What are the data? What the experts say?
* What happened to bird flu? What interests were reported then?