WATCH: This touching video of two kids with cancer will warm the coldest heart
This video is still going viral on social media months after it was shared, because it's so touching.
Bradley before he was diagnosed with STAT3 GOF genetic mutation. (Facebook)

This sweet video was shared on Facebook a few months ago, but is still going viral on social media because it's just so touching. 

In the video a young boy, Bradley sweetly makes sure his friend, Gianna, is comfortable in a hospital cart.

Gianna was diagnosed with stage 4 neuroblastoma in 2017 and Bradley was diagnosed with STAT3 GOF genetic mutation, his mom reveled in a private Facebook post.

STAT3 GOF genetic mutation is a rare condition and only about 35 people world wide have been diagnosed with.

Unfortunately they both lost the battle against their respective diseases, but this video continues to warm peoples hearts around the world.

Watch the video here or on Facebook:

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