HealthUnlocked is one of the fastest-growing social networks for patients in the world and the first multilingual platform of its kind (English, Spanish and Portuguese so far). It launched in Europe in 2010 and in the US in July 2014. Over 500 communities exist in the network, each run by a partner health organization, and each community relating to an individual health condition. 2.5 million users visit the network every month and over 250,000 are registered members. Many organizations are not for profit, although some private organizations also use HealthUnlocked communities. In the UK health and wellness communities are run by the NHS and over 100 communities are syndicated by the NHS website NHS Choices.