Treaties and other international acts series. 2078. Health and sanitation, cooperative program in Brazil, agreement between United States and Brazil, amending and extending agreement of Mar. 14, 1942, as amended and extended, effected by exchange of notes signed Rio de Janeiro Dec. 27, 1949, and Jan. 4, 1950; entered into force Mar. 3, 1950, operative retroactively from Dec. 31, 1949.

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