Dr. Gilbert T. Chua


Specialist in Paediatric Immunology, Allergy and Infectious Diseases


Positions and Appointments

Clinical Assistant Professor

Department of Paediatrics and Adolescent Medicine

Li Ka Shing Faculty of Medicine

The University of Hong Kong


Honorary Specialist

Department of Paediatrics and Adolescent Medicine

Queen Mary Hospital, Duchess of Kent Children’s Hospital,
Hong Kong Children’s Hospital and Gleneagles Hospital

Honorary Associate Consultant, Division of Allergy,
The University of Hong Kong Shenzhen Hospital, Shenzhen, China


Council Member, The Hong Kong Paediatrics Society

Committee Member, The Boys’ and Girls’ Clubs Association of Hong Kong

Honorary Secretary, Research and Scientific Committee, Hong Kong College of Paediatricians

Paediatric Subcommittee Member, The Chinese Research Hospital Association

Allergy Committee (中國研究型醫院學會 過敏症醫學專業委員會 兒童過敏學組)

Executive Committee Member, The Hong Kong Allergy Association

Council Member, The Hong Kong Institute of Allergy







(852) 2255-4482
(852) 2255-4089
Department of Paediatrics & Adolescent Medicine
Room 115, 1/F, New Clinical Building, 102 Pokfulam Road, Queen Mary Hospital, Hong Kong
  ORCID ID: 0000-0003-0333-0059
  LinkedIn: https://www.linkedin.com/in/gilbert-chua-00676b38/
  Google scholar: https://scholar.google.com/citations?hl=en&user=qEtNT7sAAAAJ
  Research gate: https://www.researchgate.net/profile/Gilbert_Chua



Paediatric Immunology, Allergy and Infectious Diseases


Dr Chua is a paediatric specialist with interest in paediatric immunology, allergy and infectious diseases. He received his medical degree from the LKS Faculty of Medicine and joined the Department of Paediatrics and Adolescent Medicine, Queen Mary Hospital after graduation. He has joined the subspecialty training program in Paediatric Immunology and Infectious diseases and has been providing clinical services in the diagnosis and management of children with immunodeficiencies, childhood atopy diseases and infectious diseases. Dr Chua also leads the dust mite sublingual immunotherapy program as well as the pilot food allergy immunotherapy at the Allergy Clinic of the Department of Paediatrics and Adolescent Medicine, Queen Mary Hospital. His research interests include common food allergies and anaphylaxis in children, especially for peanut, egg and milk allergies, sublingual dust mite immunotherapy and the impact of COVID-19 in children.




Selected publications

    1. COVID-19 and COVID-19 vaccine myocarditis-related publications
      1. Gilbert T Chua*, Mike Yat Wah Kwan*, Celine SL Chui, Robert David Smith, Edmund Chi-Lok Cheung, et al. Epidemiology of Acute Myocarditis/Pericarditis in Hong Kong Adolescents Following Comirnaty Vaccination. Clinical Infectious Diseases, 2021;, ciab989, https://doi.org/10.1093/cid/ciab989
      2. Francisco Tsz Tsun Lai#, Gilbert T Chua MBBS #, Edward Wai Wa Chan#, Lei Huang, Mike Yat Wah Kwan, Tiantian Ma, Xiwen Qin, Celine Sze Ling Chui, Xue Li, Eric Yuk Fai Wan, Carlos King Ho Wong, Esther Wai Yin Chan, Ian Chi Kei Wong*, Patrick Ip*. Adverse Events of Special Interest Following the Use of BNT162b2 in Adolescents: A Population-Based Retrospective Cohort Study. [In-press: Emerging Microbes and Infections] # Co-first authors, * Co-corresponding authors
      3. Chen LL*, Chua GT*, Lu L*, Chan BP, Wong JS, Chow CC, Yu TC, Leung AS, Lam SY, Wong TW, Tsang HW, Wong IC, Chan KH, Yuen KY, Ip P, Kwan MY, To KK. Omicron variant susceptibility to neutralizing antibodies induced in children by natural SARS-CoV-2 infection or COVID-19 vaccine. Emerg Microbes Infect. 2022 Jan 27:1-17. doi: 10.1080/22221751.2022.2035195. *Co-first authors
      4. Xue Li# , Francisco Tsz Tsun Lai# , Gilbert T Chua# , Mike Yat Wah Kwan MSc, Yu Lung Lau, Patrick Ip*, Ian Chi Kei Wong*. Myocarditis Following COVID-19 BNT162b2 Vaccination Among Adolescents in Hong Kong. JAMA Pediatr. Published online February 25, 2022. doi:10.1001/jamapediatrics.2022.0101 # Co-first authors, * Co-corresponding authors
      5. Hing Wai Tsang*, Gilbert T. Chua*, Kelvin KW To*, Joshua SC Wong, Wenwei Tu, JANETTE SY KWOK, WILFRED HS WONG, Xiwei Wang, Yanmei Zhang, Jaime S Rosa Duque, Godfrey CF Chan, Wai Kit CHU, CP Pang, Paul Tam, Yu Lung Lau, Ian Chi Kei Wong, WH Leung, Kwok Yung Yuen, Mike Yat Wah Kwan#, Patrick Ip#. Assessment of SARS-CoV-2 immunity in convalescent children and adolescents. Front. Immunol. 12:797919. doi: 10.3389/fimmu.2021.797919. *Co-first authors; #Co-corresponding authors
      6. Chua GT, Wong JSC, Lam I, Ho PPK, Chan WH, Yau FYS, Rosa Duque JS, Ho ACC, Siu KK, Cheung TWY, Lam DSY, Chan VCM, Lee KP, Tsui KW, Wong TW, Yau MM, Yau TY, Chan KCC, Yu MWL, Chow CK, Chiu WK, Chan KC, Wong WHS, Ho MHK, Tso WWY, Tung KTS, Wong CS, Kwok J, Leung WH, Yam JC, Wong ICK, Tam PKH, Chan GCF, Chow CB, To KKW, Lau YL, Yuen KY, Ip P, Kwan MYW. Clinical Characteristics and Transmission of COVID-19 in Children and Youths During 3 Waves of Outbreaks in Hong Kong. JAMA Netw Open. 2021 May 3;4(5):e218824. doi: 10.1001/jamanetworkopen.2021.8824. PMID: 33938934
      7. Gilbert T Chua*, Joshua SC Wong*, Kelvin KW To*, Polly PK Ho, Ivan CS Lam, Jaime SR Duque, Wai Hung Chan, Felix YS Yau, Cyril CY Yip, Anthony CK Ng, Wilfred HS Wong, Joyce HY Kwong, Kate FS Leung, PT Wan, Kelly Lam, Ian CK Wong, Janette Kwok, Marco HK Ho, Godfrey CF Chan, Yu Lung Lau#, Patrick Ip#, Mike YW Kwan#. Saliva Viral Load Better Correlates with Clinical and Immunological Profiles in Children with Coronavirus Disease 2019. Emerging Microbes & Infections, DOI: 10.1080/22221751.2021.1878937. *Co-first authors, #Co-corresponding authors
    1. Allergy-related publications
      1. Chua, G.T., Chan, E.S., Yeung, J. et al. Patient selection for milk and egg ladders using a food ladder safety checklist. Allergy Asthma Clin Immunol 18, 51 (2022). https://doi.org/10.1186/s13223-022-00696-w
      2. Gilbert T Chua; Jaime S Rosa Duque; Daniel Ka Leung Cheuk; Alex Wing Kwan Leung; Wilfred Hing Sang Wong; Anthony Pak Yin Liu; Pamela PW Lee; Shau Yin Ha; Alan Kwok Shing Chiang; Marco Hok Kung Ho; Wai Keung Chu; Yuk Sing Chan; Chun Wing Luk; Alvin Siu Cheung Ling; Mike Yat Wah Kwan; Oscar Kuen Fong Yiu; Ian Chi Kei Wong; Yu Lung Lau; Chi Kong Li; Wing Hang Leung; Godfrey Chi Fung Chan; Patrick Ip; Janette Kwok. HLA alleles associated with asparaginase hypersensitivity in Chinese children. J Hematol Oncol 14, 182 (2021). https://doi.org/10.1186/s13045-021-01201-3
      3. Gilbert T Chua, Edmond S Chan, Lianne Soller, Victoria E Cook, Timothy K Vander Leek, Raymond Mak. Home-based peanut oral immunotherapy for low-risk peanut-allergic preschoolers during the COVID-19 pandemic and beyond. Front. Allergy 2:725165. doi: 10.3389/falgy.2021.725165
      4. Gilbert T Chua, Edmond S. Chan, Lianne Soller, Scott B. Cameron. Grass Pollen Allergy as an Anaphylaxis Co-factor during Peanut Oral Immunotherapy. Ann Allergy Asthma Immunol. 2021 May 7:S1081-1206(21)00345-8. doi: 10.1016/j.anai.2021.04.037.
      5. Gilbert T Chua, Philip H Li, Marco HK Ho, Ellen Lai, Vivian Ngai, Felix YS Yau, Mike YW Kwan, Ting-Fan Leung, Tak Hong Lee. HKIA and HKSPIAID Joint Consensus Statement 2018 on Vaccination in Egg Allergic Patients. Hong Kong Med J 2018;24:527–31
      6. Gilbert T Chua, Patrick CY Chong, Elaine YL Au, KN Cheong, Wilfred HS Wong, Eric YT Chan, Marco HK Ho, YL Lau, Jaime S Rosa Duque. Skin Prick Testing a Better Predictor than Blood Testing for the Diagnosis of Peanut Allergy in Chinese Children. Asian Pac J Allergy Immunol. 2019 Jul 16.
      7. Chua GT, Rosa Duque JS, Chong CY, Lee PW, Lau YL, Ho HK. Paediatric Case Series of Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS): 12-year Experience at a Single Referral Centre in Hong Kong and the First Reported Use of Infliximab. Eur Ann Allergy Clin Immunol. 2018;50(6):273-276