Each year Childhood Brain Cancer Awareness Day focusses on one strain of brain cancer and in 2021 it is medulloblastoma.
Medulloblastoma is the second most common type of childhood cancer of the central nervous system, accounting for 13 percent of cases.
Incidence rates of medulloblastoma have increased by 1.4 percent per year on average between 1983 and 2017. This is very similar to the increase in all childhood tumours of the central nervous system (1.3 percent per year).
Read more: Science | It's life or death for a child