ArticleThe American journal of tropical medicine and hygiene2025
Evidence of Submicroscopic Malaria Parasitemia, Soil-Transmitted Helminths, and Their Coinfections Among Forest-Fringed Orang Asli Communities in Peninsular Malaysia.
Article in The American journal of tropical medicine and hygiene, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Low prevalence of sub-microscopic malaria among rural communities of an endemic area in Kapit Division, Malaysian Borneo.Malaria journal · 2026Article
- Functional divergence of the gut microbiome associated with lifestyle and helminth infection in Indigenous Peninsular Malaysian.Research square · 2026Article
- G6PD deficiency in Malaysia's Proto-Malay Orang Asli indigenous population: A molecular and epidemiological study.PloS one · 2025Article
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6 authors.
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Abstract
Malaysia's malaria rate has declined but remains a public health concern, with limited investigations into malaria and coinfections with soil-transmitted helminth (STH) infections. A cross-sectional study using convenience sampling in Orang Asli villages enrolled 437 villagers aged 1-83 years based on their willingness to participate. Blood samples were tested microscopically for malaria, followed by nested polymerase chain reaction (PCR), and stool samples were screened microscopically for STH eggs. Body temperature, demographic, and socioeconomic data were collected. Malaria parasite was detectable only via PCR, with a 15.3% prevalence, indicating submicroscopic malaria parasitemia; none of the positive cases presented fever. The identified species included Plasmodium vivax (8.7%), Plasmodium cynomolgi (5.5%), Plasmodium knowlesi (4.3%), Plasmodium falciparum (1.8%), Plasmodium inui (0.2%), and Plasmodium malariae (0.2%). Females had significantly higher rates of submicroscopic malaria parasitemia (19.6%) compared with males (9.3%, P = 0.003). STH infections were highly prevalent (71.4%), with Trichuris trichiura (65.2%), Ascaris lumbricoides (35.0%), and hookworm (14.6%). STH infection was associated with age (P <0.001), peaking in individuals aged 10-19 years (86.2%) and 1-9 years (83.0%), as well as with students (84.3% versus 60.8% in employed and 60.3% in unemployed; P <0.001) and low-income households (76.4% versus 61.7% in higher-income households; P = 0.002). Submicroscopic malaria parasitemia and STH coinfections were present in 8.9% of participants, with higher rates in low-income households (12.6% versus 5.2% in higher-income, P = 0.010). The Negrito tribe exhibited the highest prevalence of submicroscopic malaria parasitemia, STH, and coinfections (P <0.05). This study highlights the need for integrated malaria and STH control strategies, particularly for the Negrito tribe.
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