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World Cancer Day

Written by Blog | Feb 2, 2026 10:26:56 AM

World Cancer Day 4th February

On the 4thFebruary 2000, the World Summit Against Cancer for the New Millennium met in Paris. It was organised by the Union for International Cancer Control (UICC). It established February 4th as World Cancer Day.

This theme for this event is “United by Unique”. So called because every cancer experience is unique, but united, we are able to combat it together.

This international day is aimed at raising awareness about cancer, promoting its prevention, detection and treatment.

On the Macmillan website it describes cancer as when “abnormal cells multiply and grow out of control. Over time, these cells can grow into a lump called a tumour. "Almost 3.5 million people are living with cancer."

Key themes and focus areas for 2026 are United by Unique focusing on people centred care. Genomic medicine, which uses an individual’s genetic profile (DNA), to guide clinical care, enabling personalised diagnosis, risk prediction, and targeted treatments. Support and Awareness is being highlighted by Macmillan Cancer Support also looking at the need for better care. Children with Cancer UK and other organisations are raising awareness and pushing for action to close the care gap.

For more information go to

#WorldCancerDay