How do new mRNA vaccines for cancer work?

New mRNA vaccines for cancer help our body fight cancer cells by teaching it how to recognize and attack them.

Imagine your body is like a detective team, and cancer cells are sneaky robbers who hide in plain sight. The mRNA vaccine acts like a clue that helps the detectives know what the robbers look like so they can catch them.

The vaccine sends a special message (mRNA) into our body's cells. This message tells the cells, "Here’s how the cancer cells look!" Then, the cells use this message to make copies of a part of the cancer cell, kind of like taking a photo of it.

These copies are then shown to our body’s defense team, which is like a group of superheroes called white blood cells. They learn what the cancer looks like and get ready to fight it off if it comes back.

This vaccine isn’t just for one type of cancer, it can be made to match many kinds, like how different superheroes have different powers. That means it can help kids (and adults!) with all sorts of cancers, no matter where they start in the body.