期刊
MILITARY MEDICINE
卷 174, 期 7, 页码 762-769出版社
OXFORD UNIV PRESS
DOI: 10.7205/MILMED-D-01-6208
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资金
- 121st Combat Support Hospital
- Troop Medical Clinics
- 168th Multifunctional Medical Battalion
- 18th Medical Command
- 2nd Infantry Division
- U.S. Army Medical Surveillance Activity, Walter Reed Army Medical Center, Forest Glen, MD
- U.S. Department of Defense Global Emerging Infections Surveillance and Response System, Silver Spring, MD
Malaria was eradicated and the Republic of Korea (ROK) declared malaria free in 1979. However, in 1993, a temperate strain of vivax malaria, expressing both latent and nonlatent disease populations, re-emerged near the demilitarized zone (DMZ), rapidly spread to civilian sectors near the DMZ, and increased exponentially in ROK military, veteran, and civilian populations through 1998. Malaria among all ROK populations decreased 5-fold from a high of 4,142 cases in 2000 to a low of 826 cases in 2004, before increasing again to 2,180 cases by 2007. Each malaria case in the ROK is reported in the metropolitan area/province where the diagnosis is made, which may be at some distance from the area where infection occurred. Therefore, it is difficult to ascertain transmission sites since approximately 60% of vivax malaria in Korea is latent with symptoms occurring >1 month to 24 months after infection. A review of case diagnosis for civilian, veteran, and military populations shows that nearly all malaria south of Gyeonggi and Gangwon Provinces is the result of veterans exposed in malaria high-risk areas along the DMZ and returning to their hometowns where they later develop malaria. Thus, malaria currently remains localized near the DMZ with limited transmission in provinces south of Seoul and has not spread throughout Korea as previously hypothesized. This report describes the re-emergence of vivax malaria cases in civilian and military ROK populations and U.S. military personnel and assesses variables related to its transmission and geographic distribution.
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