Pandemic Alert Phases
In nature, influenza viruses circulate continuously among animals. Even though such viruses might theoretically develop into pandemic viruses, in
Phase 1 no viruses circulating among animals have been reported to cause infections in humans.

In Phase 2 an animal influenza virus circulating among domesticated or wild animals is known to have caused infection in humans, [...]

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Well before we look into what is happening around the world, let’s have a look at what swine flu is.
First what is Swine Flu?
Swine flu is a respiratory disease which infects pigs.
Caused by influenza type A, there are regular outbreaks among herds of pigs, where the disease causes high levels of illness but is rarely [...]

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