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Description:In 1972, 588 cases of malaria were reported in the United States. This represents a 80.7% decrease, compared with the 3,047 cases reported for a similar period in 1971. This decline was due almost entirely to decreasing numbers of military cases Imported from Vietnam. Army personnel accounted for 87.4% of the military malaria from Vietnam and Marine Corps personnel for 3.5%. In 1972, 435 cases (74.0% of all cases reported in the United States) were acquired in Vietnam, the smallest number since 1965. As in previous years, imported Plasmodium vlvax infections were more common than £. falciparum (77.0% vs. 11.7%).
There were 146 civilian cases of malaria reported in 1972,compared with 191 cajses for 1971. In 7 cases, infection was acquired in the United States, in 3 by blood transfusion, in 2 by illicit use of heroin, in 1 by congenital transmission, and in 1 case the source of infection was cryptic.
Only 1 malaria death was reported in 1972, compared with 9 deaths in 1971. A European merchant seaman returning from West Africa became ill with £. falciparum malaria*and his illness was not diagnosed until 6 days after onset. He died 1 day later.
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Content Notes:I. SUMMARY -- II. TERMINOLOGY -- III. GENERAL SURVEILLANCE INFORMATION -- IV. MILITARY MALARIA IMPORTED FROM VIETNAM -- V. CIVILIAN MALARIA IMPORTED FROM ABROAD -- VI. MALARIA ACQUIRED IN THE UNITED STATES -- VII. MALARIA DEATHS IN THE UNITED STATES -- VIII. REPORT FROM THE NATIONAL MALARIA REPOSITORY -- IX. MALARIA IN MERCHANT SEAMAN—1963-1972 -- X. ACKNOWLEDGMENT-- XI. ADDENDUM I. The Prevention of Malaria -- XII. ADDENDUM II. The Microscopic Diagnosis of Malaria.
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