I. the Constitution of the World Health Organization (WHO) came into force on April 7, 1972.
II. All members of the UN are also members of WHO.
III. WHO is located in Paris, France.
IV. Its primary purpose is to promote global health.
V. WHO has been very successful in controlling malaria and other diseases of the poorer countries.
VI. WHO works closely with other UN bodies such as UNICEF, the Refugee Agency, (OCHA), and (WFP) to coordinate their activities.
Which information above is correct about WHO?