Correct. But given this is a new strain of flu, derived from animals, it has a higher risk of mutating into a superbug, which will have a much higher mortality rate than the common flu. The containment at the moment is not to prevent fatalities, but it's to contain any possibility of a new stronger flu mutating from it in humans, for which there may or may not be any medication to treat it.
The threat may seem minimal now, but it only takes someone with a poor immune system and some other factors for it to become a very serious threat. Thus the reason for worldwide alarm from the WHO. Your common flu, over years of exposure our bodies have developed anti-bodies, with any new virus they are non-existent, the risk of mutation is far greater.