Email alvintkw@nus.edu.sg

I have an interest in the development of programmes, policies, and legislation to effect meaningful long-term systemic changes to prevent occupational diseases and injuries amongst workers. This includes promoting research to review and inform policy decisions to develop evidence-based legislation that reflects latest advancements in Occupational Health research.

• NUS Saw Swee Hock School of Public Health (Adjunct)
• Department of Occupational and Environmental Medicine, Singapore General Hospital (Primary)

• Occupational Health
• Environmental Health
• Public Health

• Occupational Medicine
• Public Health

• Fellows of the Academy of Medicine, Singapore (FAMS), 2025
• Membership of the Faculty of Occupational Medicine of the Royal College of Physicians of Ireland (MFOM), 2024
• Licentiate of the Faculty of Occupational Medicine of the Royal College of Physicians of Ireland (LFOM), 2023
• MPH, Saw Swee Hock School of Public Health, 2022
• M.B.,B.S. National University of Singapore, 2017

• Masters of Public Health Programme Tye Cho Yook Gold Medal
• Masters of Public Health Programme Occupational and Environmental Health Society Medal Class of 2023
• Commendation Medal (COVID-19)
• COVID-19 Resilience Medal

• Associate Consultant, Department of Occupational and Environmental Medicine, Singapore General Hospital
• Resident, NUHS National Preventive Medicine Programme, 2020 – 2025
• Staff Officer (Policy) and Staff Officer (Epidemiology), Biodefence Centre, HQ Medical Corps, Singapore Armed Forces, 2019 – 2020
• Medical Officer, Ageing Planning Office, Ministry of Health, 2018
• Medical Officer, Department of Emergency Medicine, Singapore General Hospital, 2018
• House Officer, Department of Obstetrics and Gynaecology, Singapore General Hospital, 2018
• House Officer, Department of Orthopaedics Surgery, Singapore General Hospital, 2017
• House Officer, Department of General Medicine, Tan Tock Seng Hospital, 2017

• Chief Resident of the Preventive Medicine Residency Programme, National University Health Systems, 2022-2023
• NUHS Graduate Medical Education Committee (GMEC) Residents’ Committee, 2022-2023

• Tan A, Gan WH, Koh D. The COVID-19 pandemic and occupational health—transitioning to the new normal. Occup Med (Lond). 2025 Nov 1;75(8):463-465. doi: 10.1093/occmed/kqae082.
• Goda MB, Pang ASR, Ong BDC, Lim FNJ, Tan AKW, Goh LH. Prevalence and determinants of HealthHub app utilization among community-dwelling adults in Singapore. PLoS One. 2025 Jul 17;20(7):e0327053. doi: 10.1371/journal.pone.0327053.
• Aribou ZM, Tan AKW, Lim SM, Lim JW, Gan WH, Ng WT, Koh DSQ. Assessing the impact of Long COVID on healthcare workers’ work–role functioning in tertiary hospitals in Singapore. Work. 2025 Feb 18;81(2):2640-2650. doi: 10.1177/10519815251319233.
• Seah BZQ, Horie S, Gan WH, Nagano C, Tan AKW, Mori K, Koh DSQ. A comparison of periodic health examinations and workplace health screening for workers in Singapore and Japan. Ind Health. 2025 Jan 24;63(1):93-106. doi: 10.2486/indhealth.2024-0062.
• Koh D, Tan A. Applications and impact of Industry 4.0: Technological innovations in occupational safety and health. Saf Health Work. 2024 Dec 15;15(4):379-381. doi: 10.1016/j.shaw.2024.08.003
• Lim SYD, Teo S, Tan KWA, Cheng WNS. Fibreglass dermatitis: diagnostic challenges and occupational interventions. Occup Med (Lond). 2023 Jun 26;73(5):285-287. doi: 10.1093/occmed/kqad049. PMID: 37084388.
• Tan KWA, Koh D. Long COVID-Challenges in diagnosis and managing return-to-work. J Occup Health. 2023 Jan;65(1):e12401. doi: 10.1002/1348-9585.12401. PMID: 37098838; PMCID: PMC10132176.
• Tan KWA, Wijaya L, Lim CT, Gan WH. COVID-19 vaccination acceptance of healthcare workers in Singapore. Ann Acad Med Singap. 2022 May;51(5):304-308. doi: 10.47102/annals-acadmedsg.2021504. PMID: 35658154.
• Koh D, Tan A. Return to Work for Workers with Post-COVID Conditions. Saf Health Work. 2022 Dec;13(4):377-378. doi: 10.1016/j.shaw.2022.08.001. Epub 2022 Aug 13. PMID: 35991466; PMCID: PMC9375245.
• Tan KWA, Pong JJJ, Teoh J, Wahab MT, Tan C. COVID-19 Monitoring and Response for Military Bases in Singapore—Perspectives and Lessons From January to June 2020. Mil Med. 2021;usab480. Published 2021 Nov 20. doi:10.1093/milmed/usab480