With 160,000 members Tehy is the major trade union for health care professionals, social workers and students of these professions in Finland.

It is affiliated with the Finnish Confederation of Salaried Employees, and Public Services International.

[1] In the autumn of 2007, Tehy organised a mass resignation in which 12,800 nurses and other members gave their notice, ending their employment on 19 November 2007.

The Finnish parliament promptly passed a law that now allows the authorities to force nurses back to work.

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