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Title
Quarantinable Diseases in the Americas--1970.
Abstract
Reports on the reduction of the list of diseases subject to the International Health Regulations to four on January 1, 1971. Diseases that was released from the list; Indication that no case of louse-borne relapsing fever was reported in 1970; Progress that was made in 1970 toward the eradication of smallpox in the Americas.