Volume 28October–December 2024 2024 GMSdata at a glance(Oct-Dec) GMS: Cambodia, Lao People's Democratic Republic, Myanmar, Thailand,Viet Nam, Yunnan (China) 1 436 434testsconducted 26 913cases 23%cases decreasecompared to thesame period in2023 21% 32% 18% P. vivaxcasesdecreasecompared to thesame period in2023 P. falciparum+mixed casesdecrease comparedto the same periodin 2023 tests decreasecompared tothe same periodin 2023 2024 Quarter 4 overview In Oct-Dec 2024, Greater Mekong subregion (GMS) countries reported26 913malaria cases. CambodiaCambodia reported 33 cases, a 88% decrease MyanmarMyanmar reported 24 759 cases.P. falciparum compared to the same time period in 2023.P. falciparum+ mixed cases,P. vivaxand otherspecies constituted 0%, 94% and 6% of cases,respectively. + mixed cases,P. vivaxand other speciesconstituted 15%, 85% and 0% of cases,respectively. It should be noted that 2024 isbeing finalized and final figures will be reflectedin the next summary. China (Yunnan Province)Yunnan reported 69 cases. Among those, no ThailandThailand reported 1907 cases, a 26% decrease indigenous cases were reported.P. falciparum+mixed cases,P. vivaxand other speciesconstituted 1%, 98% and 1% of cases,respectively. compared to the same time period in 2023.P. falciparum+ mixed cases,P. vivaxand otherspecies constituted 7%, 92% and 1% of cases,respectively. Lao People's Democratic RepublicLao People's Democratic Republic reported 98 cases, a 24% decrease compared to the sametime period in 2023.P. falciparum+ mixed cases,P. vivaxand other species constituted 2%, 98%and 0% of cases, respectively. Viet NamViet Nam reported 47 cases, a 48% decrease compared to the same time period in 2023.P. falciparum+ mixed cases,P. vivaxand otherspecies (reported asP. malariae) constituted42%, 45% and 13% of cases, respectively. Changes in P. falciparum + mixed cases in the GMSfrom Oct-Dec 2023 compared to Oct-Dec 2024 Changes in P. vivax cases in the GMSfrom Oct-Dec 2023 compared to Oct-Dec 2024 Change in number of cases represented in cascading Regional map of P. falciparum + mixed cases by district(Oct-Dec 2024)* Subnational administrative boundaries for Lao People's Democratic Republic,Myanmar, Thailand and Viet Nam:https://data.humdata.org/.Licensed under theCC BY 4.0international licence. WHO has adapted the maps by colouring theshapefiles to show country data. Subnational administrative boundaries for Cambodia: Department of planning and healthinformation of the Ministry of Health. Regional map of P. vivax cases by district(Oct-Dec 2024)* Subnational administrative boundaries for Lao People's Democratic Republic,Myanmar, Thailand and Viet Nam:https://data.humdata.org/.Licensed under theCC BY 4.0international licence. WHO has adapted the maps by colouring theshapefiles to show country data. Subnational administrative boundaries for Cambodia: Department of planning and healthinformation of the Ministry of Health. Number of P. falciparum + mixed casesby month and country (2022–2024)* Number of P. vivax cases by monthby country* (2022–2024) Notes The Mekong Malaria Elimination (MME) programme is an initiative aimed at supporting the countriesin the Greater Mekong subregion towards the goal of malaria elimination by 2030. The World HealthOrganization (WHO) has compiled data for this publication based on reports from the countries in theGreater Mekong subregion. The data presented in this publication are based on available data as ofMay 2024. Data sources: Reported cases include cases reported from all sources of public health facilities,community health workers and the private sector. Map sources: The shapefiles used for creating the maps are provided by OCHA under the CC BY 4.0licence. WHO has adapted the maps by colouring the shapefiles to show country data. Maps forCambodia are used with permission of the Department of planning and health information of theMinistry of Health. The boundaries, names shown, and the designations used on this map do not implythe expression of any opinion whatsoever on the part of the World Health Organization concerningthe legal status of any country, territory, city or area or of its authorities, or concerning thedelimitation of its frontiers or boundaries. Dotted and dashed lines on maps represent approximateborder lines for which there may not yet be full agreement. © World Health Organization 2025.Some rights reserved. This work is available under theCCBY-NC-SA3.0 IGOlicence. Suggested citation. Mekong Malaria Elimination Programme epidemiology summary, volume 28,October-December 2024. Geneva: World Health Organization; 2025.https://doi.org/10.2471/B09442.