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Malaria remains a major global public health concern and continues to be one of the leading causes of illness and death in many developing countries, particularly among young children and pregnant women (Centers for Disease Control and Prevention, 2024). In humans, malaria is caused by protozoan parasites of the Plasmodium species; P. falciparum, P. vivax, P. malariae, and P. ovale. Additionally, zoonotic species, P. knowlesi, which commonly infect monkeys in Southeast Asia, have been identified as sources of human infection and, in some cases, fatal outcomes.
Similar to the global pulic health concern, malaria remains a significant public health challenge in Thailand and therefore, an effective surveillance system is essential to support the country’s goal of malaria elimination by 2026. Malaria elimination refers to the interruption of local transmission of a specific malaria parasite species within a defined geographical area. Even after elimination is achieved, ongoing efforts are necessary to prevent the disease from re-emerging (WHO, 2024).
Data from the Ministry of Public Health (Thailand) show that P. vivax cases rose from 3,084 in 2021 to 15,659 in 2023, while P. falciparum cases increased from 62 to 492 over the same period. Most imported cases were identified and treated along Thailand’s western border with Myanmar, heightening the demand for diagnostic and treatment services.
This presentation focuses on the development of a malaria surveillance system for Thailand, outlining its (1) objectives, (2) type of surveillance approach, (3) legal basis, (4) case definition, (5) stakeholders, (6) data flow, (7) data collection and transfer methods, (8) data utilization and dissemination, and (9) evaluation indicators.
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Congratulations for your presentation, Ama Wah. Malaria is still challenging for our regions and require the comprehensive system for the control and prevention of infection.
I have learnt many points from you and I am curious to ask the questions.
Could you please explain about the village health volunteers, whether they will be trained for the surveillance system or they are already health workers from the community.
For usability and adaptability indicators evaluation, how would you suggest for collecting frequency, biannually or annually? Thanks ama.
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