Age specific asexual parasite and gametocyte density in highly endemic malaria in North Sumatra, Indonesia.
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概要
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A mass blood examination was carried out in a coastal village of Perupuk, Asahan Regency, North Sumatra, Indonesia in August 1982. The parasite rate in all ages revealed remarkably high (44%). This was caused by an explosive outbreak of <I>Plasmodium falciparum</I> malaria. The parasite rate in young children (0-9 years) was very high around 60% whereas low less than 20% in adult (over 34 years). This indicates a possibility of outbreak of malaria mostly in children posing public health subject in a village of tropical rural area. Gametocyte carriers of <I>P. falciparum</I> were detected only in the age group less than 25 years. The high parasite density of <I>P. falciparum</I> with both asexual form (more than 1, 000 ring forms/mm<SUP>3</SUP>) and gametocyte (more than 100 gametocytes/mm<SUP>3</SUP>) was detected only in the age group less than 12 years. Falciparum malaria of high intensity repeatedly occurs mostly in younger age group in <I>Anopheles</I> <I>sundaicus</I> breeding coastal area in north Sumatra. A possible control method aiming at gametocyte carrier of young age group is discussed.
- 日本熱帯医学会の論文
日本熱帯医学会 | 論文
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