International Patient Organisation for Primary Immunodeficiencies is the organization advocating for primary immunodeficiency patients.
According to PR-model, ipopi.org is ranked 1,493,548th in multilingual Wikipedia, in particular this website is ranked 183,061st in Russian Wikipedia.
The website is placed before stmartinparishclerkofcourt.com and after the-real.com.au in the BestRef global ranking of the most important sources of Wikipedia.