Daniel Pérez may refer to: (wikipedia)
It's mostly a way to contain the spread of the disease. It's better than nothing.
For the city to imply a connection is more of the same smear campaign, and to some extent sour grapes.
The idea is simple. The fear is that the bird virus will re-assort with a human virus and generate a pandemic human flu. If you vaccinate against human influenza, they can't catch it, so you won't get re-assortment.
