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The Lancet Regional Health - Southeast Asia

The Lancet Regional Health - Southeast Asia is part of The Lancet Regional Health suite of open access general medical journals publishing high-quality, evidence-based research focused on Southeast Asia. The journal has ISSN 2772-3682 and lists an Impact Factor of 6.2, a CiteScore of 5.1, and a 5-Year Impact Factor of 6.2.

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Subject Health Care Sciences & Services, Public, Environmental & Occupational Health
Impact Factor 6.2
Quartile Q1
Open Access Type Open
ISSN 2772-3682
eISSN 2772-3682
Invitation Only No
Cost Range Manuscript submission is free. Article processing charges are payable upon acceptance for all full-length peer-reviewed article types; discounts and waivers are available.

Submission Instructions

The Lancet Regional Health - Southeast Asia accepts the following article types. Click on an article type to view submission instructions.

Review

Cover Letter A covering letter is required for first submissions. The covering letter should explain why the paper should be published in the journal rather than elsewhere.
Abstract A 150-word unstructured summary is required. The abstract must not exceed 150 words. The abstract must be unstructured.
Manuscript The manuscript must be no more than 4500 words. The manuscript should include a brief section entitled “Search strategy and selection criteria.” Declaration of interests and source of funding statements must appear at the end of the text, contributions from all authors and contributors must be specified at the end of the text, and any use of generative AI in writing must be disclosed in the Acknowledgments with the model, version, prompt, and how and where it was used.
References The manuscript should include a maximum of 75 references. References must use Vancouver style. References must be cited sequentially in the text as superscript numbers after punctuation, with journal names abbreviated in Index Medicus style and up to six authors listed or the first three followed by et al if there are seven or more authors.
Figures & Tables Up to 5–6 illustrations are encouraged. The manuscript should be submitted including tables and panels, and first submissions should include figures.
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Articles

Cover Letter A covering letter is required for first submissions. The covering letter should explain why the paper should be published in the journal rather than elsewhere.
Abstract A semistructured abstract is required. Abstract must be no more than 250 words. Abstract must be semistructured in five paragraphs. Abstract must contain Background, Methods, Findings, Interpretation, and Funding.
Manuscript Articles should be around 3500–5000 words. Manuscript should include a Discussion section with a full description and discussion of the context, and randomised trials must include a “Randomisation and masking” section within Methods. Manuscript must include a Research in context panel, declaration of interests and funding statements at the end of the text, contributor information at the end of the text, and an Acknowledgments AI-use disclosure statement when generative AI was used in writing.
References Articles should include 30 references. References must use Vancouver style. References must be cited sequentially in the text as superscript numbers after punctuation, with journal names abbreviated in Index Medicus style and author lists giving all authors if six or fewer or the first three followed by et al if seven or more.
Figures & Tables First submissions should include the manuscript including tables and panels, and figures should be included with the submission. When reporting Kaplan-Meier survival data, numbers at risk must be included at each timepoint.
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Correspondence

Cover Letter A covering letter is required for first submissions. The covering letter should explain why the paper should be published in the journal rather than elsewhere.
Abstract Abstract requirements are not specified.
Manuscript Correspondence responding to previously published content should be no longer than 250 words, while general-interest correspondence unlinked to journal content can be up to 400 words. The manuscript must include declaration of interests and source of funding statements at the end of the text, and any use of generative AI in writing must be disclosed in the Acknowledgments section.
References Correspondence responding to previously published content should include no more than 5 references. References must use Vancouver numbering style. References must be cited sequentially in the text as superscript numbers after punctuation, with journal names abbreviated in Index Medicus style and author lists giving all authors if six or fewer or the first three followed by et al if seven or more.
Figures & Tables Only one table or figure is permitted. First submissions should include the manuscript including tables and panels, and should include figures.
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Health Policy

Cover Letter A covering letter is required for first submissions. The covering letter should explain why the paper should be published in the journal rather than elsewhere.
Abstract A 150-word unstructured summary is required. The summary must not exceed 150 words. The summary must be unstructured.
Manuscript Health Policy papers should be no more than 4500 words. The manuscript must include declaration of interests and source of funding statements, individual author contributions at the end of the text, and an AI-use disclosure in the Acknowledgments if generative AI was used in writing.
References Health Policy papers should include no more than 75 references. References must use Vancouver style. References must be cited sequentially in the text as superscript numbers after punctuation, with journal names abbreviated in Index Medicus form and author lists showing all authors up to six or the first three followed by et al for seven or more.
Figures & Tables First submissions should include the manuscript including tables and panels, and should also include figures.
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Recent Publications

Assessment of health and nutrition status among children aged 5–9 years in Pakistan: a cross-sectional survey (2020)

Jai K. Das, Narjis Fatima Hussain, Zahra Ali Padhani, Arjumand Rizvi, Imran Ahmed Chauhadry, Muhammad Sajid, Mushtaq Mirani, Muhammad Khan Jamali, Anjum Naqvi, Afsah Bhutta, Shagufta Zareen, Muhammad Raashid, Aijaz Khanzada, Zulfiqar A. Bhutta

10.1016/j.lansea.2026.100855
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Predicting the status of 35 sustainable development goal indicators in Indian villages: a semi-supervised machine learning approach for precision public policy

Soohyeon Ko, Avleen S. Bijral, Abhimanyu Singh, Jeffrey C. Blossom, Sunil Rajpal, William Joe, S.V. Subramanian, Rockli Kim

10.1016/j.lansea.2026.100852
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Impact of alcohol use on economy of the Association of Southeast Asian Nations member states in 2000–2023: a structural equation modelling analysis

Jürgen Rehm, Daniela Correia, Pol Rovira, Gianna Gayle H. Amul, Sawitri Assanangkornchai, Surasak Chaiyasong, Ahmed S. Hassan, Kyaw Ko Ko Htet, Jiraluck Nontarak, Kevin D. Shield, Monsicha Sittisombut, Polathep Vichitkunakorn, Nyi Nyi Zayar

10.1016/j.lansea.2026.100853
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When very low event rates limit the interpretation of non-inferiority trials

Nitin Gupta, Praveen K. Tirlangi, Martin P. Grobusch

10.1016/j.lansea.2026.100868
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Effectiveness of a trivalent inactivated split-virion influenza vaccine (Tri Fluvac) in Thailand: a phase IV test-negative case-control study

Wachiraporn Arunothong, Thundon Ngamprasertchai, Janjira Thaipadungpanit, Napat Phetkub, Amornkarn Thongbai, Kanokwan Saengsawang, Ponthip Wirachwong, Isariya Techatanawat, Somchaiya Surichan, Piengthong Narakorn, Kritchawat Boonya-anan, Amnat Khamsiriwatchara, Jaranit Kaewkungwal, Saranath Lawpoolsri

10.1016/j.lansea.2026.100857
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Frequently asked questions

How long does it take to publish?

Papers are aimed to be published online in 2–3 weeks from acceptance. Initial in-house decisions are communicated quickly.

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Is a cover letter required?

A covering letter should be uploaded during online submission and should explain why the paper should be published in The Lancet Regional Health – Southeast Asia rather than elsewhere. Detailed responses to reviewers’ comments in a covering letter are required with revised submissions. Authors can state in the covering letter if they do not want their paper used in editorial research.

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What are the publication costs?

Manuscript submission is free. The journal is fully open access and charges an article processing charge upon acceptance for all full-length peer-reviewed article types; discounts and waivers are available.

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Research Topics

Global Maternal and Child Health Healthcare Systems and Reforms Child Nutrition and Water Access Global Public Health Policies and Epidemiology SARS-CoV-2 and COVID-19 Research COVID-19 epidemiological studies Vaccine Coverage and Hesitancy Global Health Care Issues Health Systems, Economic Evaluations, Quality of Life COVID-19 Clinical Research Studies Mosquito-borne diseases and control Tuberculosis Research and Epidemiology Global Cancer Incidence and Screening Diabetes, Cardiovascular Risks, and Lipoproteins Obesity, Physical Activity, Diet Mental Health Treatment and Access Healthcare Policy and Management Birth, Development, and Health HIV/AIDS Research and Interventions COVID-19 and Mental Health Global Health and Epidemiology HIV/AIDS Impact and Responses Malaria Research and Control Pneumonia and Respiratory Infections Antibiotic Use and Resistance

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