Okay kiddo, so you know when you get sick and your mom or dad gives you medicine to make you feel better? Well, sometimes the people who make the medicine want to keep it all to themselves so they can make lots of money. But that's not really fair because some people, especially in poor countries, can't afford to buy the medicine they need to get better.
That's where the Medicines Patent Pool comes in. It's like a big pool that lots of different companies can put their medicine patents in. A patent is like a special permission slip that says only one company can make and sell that medicine. When lots of companies put their patents in the pool, other companies can use them too. That means more people can make and sell the same medicine, and it can be sold at a lower price.
So, because of the Medicines Patent Pool, more companies can make important medicines for people who need them, even if they can't afford to pay too much. And that's a really good thing!