This is the touching moment a nurse sings to a boy battling cancer in a video which has since gone viral.

Beth Porch was filmed played a ukulele while singing McFly's "It's All About You" to three-year-old Artie Vickerage at the Great Ormond Street Hospital in London.

Artie was diagnosed with a rare type of cancer called Burkitts lymphoma, and has since been bed ridden for three weeks.

With hopes to bring a smile to his face, Ms Porch picked up a ukulele and sang next to his bed side.

The heartwarming video has since gone viral, being retweeted more than 4,000 times and even caught the attention of McFly's lead singer Tom Fletcher.

(Image: Twitter/@mammalovesuk)

He tweeted: "Beth, you are an absolute hero with the voice of an angel. Gemma, I hope your little one is doing ok.

"Wishing you all the very best. It looks like you're in good hands there."

Mother Gemma Vickerage described Beth as a "little bit of brightness" to her son, who remains at hospital battling his cancer.

(Image: Instagram)

Ms Porch cared for young Artie at hospital as he underwent intensive chemotherapy treatment.

Speaking about her son, Mrs Vickerage said: "He has just been so poorly and it can be hard to stay positive but Beth is just a little bit of brightness and she really makes a difference."

Mrs Vickerage spoke about the time she discovered a lump in Archie's stomach and brought him to hospital.

She told Sky News: "I immediately knew something was wrong.

(Image: Instagram)

"I took him to the hospital and we were referred to Great Ormond Street straight away, the next day they had started treatment.

"With this type of cancer the tumour can double in size within 24 hours.

"The one in his stomach was already sitting at 11.5cm. He also had fluid on his lungs and a lymph up near his heart.

"When you come in you get told that the treatment is intended to break them but it has to happen to make them better.

(Image: Instagram)

"I was not prepared at all for how bad it would be. It's heartbreaking, it has been the worst time of my life.

"You never imagine it would be you, you never think something like this would happen."

Ms Porch was shocked after her singing video went viral, saying she "didn't expect it" to happen.

She told Sky News: "The response to the video has been crazy. It doesn't feel real. I didn't expect to go viral.

(Image: Twitter/@mammalovesuk)

"It's been strange to think that so many people have heard me sing, including big celebrities!

"Tom Fletcher is a musical hero of mine, so for him to say I have the voice of an angel has been very overwhelming."

She added: "I started bringing in my guitar for a boy who wanted to learn to play but the teacher couldn't see him regularly, so I would play with him every shift.

"Then all the other families would hear and soon I would just take my guitar from room to room.

"Unfortunately some patients are on our ward for end of life care, so I have been a part of some incredible moments with families, creating final memories with their children.

(Image: Instagram)

"It will only take me an hour or two to learn a patient's favourite song, and that's enough to distract them from their pain and bring them happiness in their final days with their family."

Mrs Vickerage has urged people to sign a petition allowing employees time off work to donate stem cells or bone marrow to sick patients like Archie, which could save millions of lives.

The petition, posted on Parliament UK website , has since gained over 1,700 signatures.

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Ms Porch and nurses at the Great Ormond Street Hospital are climbing Mount Kilimanjaro on February 2020 to raise funds for their cancer ward.

To donate, click here .