On the sims 2 how do you cure flu mine keeps coming back?

There are a few ways to cure the flu in The Sims 2:

* Use the herbal remedy "Cold Buster" - you can buy this from the grocery store.

* Visit the hospital - your Sim will get a "flu shot" that will cure them.

* Have a high body skill with the athletics skill - your Sim builds up this body skill by exercising on stationary bicycles and treadmills.

* Use the "Healthy" reward aspiration benefit - this benefit is bought when you get 50,000 aspiration points.