If i could invent something that could help mankind?

If I could invent something that could help mankind then I would invent the cure for HIV. This cure could save so many peoples lives now and in the furture. This could decrease the death rate in the world. I could become rich off of inventing the cure for HIV. I will not make it expensive for people, because I know that most of the poeple in this world can not afford it and will do anything to save a loved one. I would also get a noble prize for the cure of HIV, which will be the coolest thing ever. Just knowing that millions of peoples lives will be saved is good enough for me I really do not need a trophy to make me feel happy, but i do admit that it would be nice. There is some people out there who have sex with tons of people and deserves to get HIV, but most of the people who does have it does not deserve it. Some poeple wait for that one true person to have sex with and then next thing they know they have HIV. Others could of have sex with a few people and then they get it. Some people who have it are terrified to be intimate with another person. It could scare them for the rest of their life. If they have children then it will not be passed down to them if they have the vaccine. The child will have a getter chance to live. If they have the vaccine then the person could have a relationship without worring when to tell their partner that they have HIV. The world will be a healthier place and who knows. With the cure for HIV means that some one else could find a cure for another disease that is killing a majority of people. If some one who does invent this then it would help the wolrd out so much.