HAE Junior is a Czech non-profit patient organization seeking to improve the quality of life of children and young people suffering from hereditary angioedema (HAE). Hereditary angioedema (HAE) is a rare lifelong condition, causing recurring painful swellings on various parts of the body. The organization was established in December 2019 in Prague by a group of parents of HAE paediatric patients. HAE Junior's goals are to support patient families, to provide information, to foster experience exchange and to facilitate inclusion.