Under the global "health for all" strategy, WHO (the World Health Organization) and its members have placed special emphasis (31) _______ the developing countries. Nevertheless, the benefits of WHO's international health work are benefited by all countries, including the most developed ones. For example, all nations have benefited from their contributions to the WHO programs that led to the global (32) ______ of smallpox and to better and cheaper ways of controlling tuberculosis.

Prevention is a key word in WHO's programs. The organization believes that immunization, (33) _______ prevents the six major diseases of childhood-diphtheria, measles, poliomyelitis, tetanus, tuberculosis, and whooping cough-should be availabe to all children who need it. WHO is leading a worldwide campaign to provide effective immunization for all children in (34) ______ with UNICEF. Provision of safe drinking water for all is one of the objectives of the International Drinking Water Supply and Sanitation Decade proclaimed by the UN General Assembly in 1980 and (35) ______ by WHO. WHO is also active in international efforts to combat the diarrhea] diseases, killers of infants and young children. The widespread introduction of oral rehydration salts, together with improved drinking water supply and sanitation will greatly reduce childhood mortality from diarrhea.

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