You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is The WHO was set up in - and explain in detail?
In 1946 the constitution was drafted by "Technical Preparatory Committee " under the chairmanship of Rene Sand and was approved in the same year by an International Health Conference of 51 nations in New york. The constitution came in to force on 7 th April 1948 which is celebrated every year as "World Health Day "(refer pgno:919 park 23rd edition)