Dr. LI Xin

MB BS (HK), M Res (Med) (HK), PDipID (HK), MRCP (UK), FRCPath, FHKCPath, FHKAM (Pathology)

Clinical Assistant Professor

Email: xinli@hku.hk

ORCID: https://orcid.org/0000-0001-8948-6331

HKU Scholars Hub: https://repository.hku.hk/cris/rp/rp02808


Dr. Xin Li graduated from The University of Hong Kong in 2016, and obtained her Fellowship in the Royal College of Pathologists in 2021 and Fellowship in the Hong Kong College of Pathologists in 2023. Dr. Li has special interest in emerging bacterial and fungal infections and antimicrobial resistance. 


  1. Anti-cytokine autoantibodies;
  2. Risk factors and host immune response to invasive mycosis;
  3. Emerging antifungal resistance in yeasts and moulds;
  4. Novel mechanisms and epidemiology of antibacterial resistance.

selected publications

  1. Li, X., Cao, H., Chen, J. H., Ng, Y.-Z., Fung, K.-K., Cheng, V. C., & Ho, P.-L. (2023). Genomic Investigation of Salmonella Typhi in Hong Kong Revealing the Predominance of Genotype 3.2.2 and the First Case of an Extensively Drug-Resistant H58 Genotype. Microorganisms, 11(3).  doi:10.3390/microorganisms11030667
  2. Zhou, R.*, Liu, N.*, Li, X.* (co-first author), Peng, Q., Yiu, C. K., Huang, H., Yang, D., Du, Z., Kwok, H. Y., Au, K. K., Cai, J. P., Fan-Ngai Hung, I., Kai-Wang To, K., Xu, X., Yuen, K. Y., & Chen, Z. (2022). Three-dose vaccination-induced immune responses protect against SARS-CoV-2 Omicron BA.2: A population-based study in Hong Kong. Lancet Reg Health West Pac, 100660. doi:10.1016/j.lanwpc.2022.100660
  3. Chiu, K. H., Yip, C. C., Poon, R. W., Leung, K. H., Li, X., Hung, I. F., To, K. K., Cheng, V. C., & Yuen, K. Y. (2023). Correlations of Myeloperoxidase (MPO), Adenosine deaminase (ADA), C-C motif chemokine 22 (CCL22), Tumour necrosis factor alpha (TNFα) and Interleukin-6 (IL-6) mRNA expression in the nasopharyngeal specimens with the diagnosis and severity of SARS-CoV-2 infections. Emerg Microbes Infect, 12(1), 2157338. doi:10.1080/22221751.2022.2157338.
  4. Fang, H., Li, X., Yan, M. K., Tong, M. K., Chow, K. H., Cheng, V. C., & Ho, P. L. (2023). Antimicrobial susceptibility of Bacteroides fragilis group organisms in Hong Kong, 2020-2021. Anaerobe, 102756. doi:10.1016/j.anaerobe.2023.102756.
  5. Li, X.*, Chan, J. M. C.*, Lam, B., Lung, D. C., Lung, K. C., Chow, C. K. Y., Tam, T., Chiu, K. H. Y., Hung, L. L., Hung, I. F. N., Cheng, V. C. C., To, K. K. W., & Yuen, K. Y. (2022). Coronavirus Disease 2019 Messenger RNA Vaccines Associated With Delayed Onset of Breakthrough Infections and Fewer Radiographic Abnormalities. Clin Infect Dis, 75(1), e905-e908. doi:10.1093/cid/ciab1062.
  6. Li, X., Tam, A. R., Chu, W. M., Chan, W. M., Ip, J. D., Chu, A. W., Abdullah, S. M. U., Yip, C. C., Chan, K. H., Wong, S. S., Cheng, V. C., Yuen, K. Y., Hung, I. F., & To, K. K. (2022). Risk Factors for Slow Viral Decline in COVID-19 Patients during the 2022 Omicron Wave. Viruses, 14(8). doi:10.3390/v14081714.
  7. Li, X., Chen, H., Lu, L., Chen, L.-L., Chan, B. P.-C., Wong, S.-C., Cheng, V. C.-C., Yuen, K.-Y., Chan, K.-H., & To, K. K.-W. (2022). High compliance to infection control measures prevented guest-to-staff transmission in COVID-19 quarantine hotels. Journal of Infection, 84(3), 418-467. doi:10.1016/j.jinf.2021.10.016.
  8. To, K. K.*, Li, X.* (co-first author), Lung, D. C.*, Ip, J. D.*, Chan, W. M., Chu, A. W., Yip, C. C., Chen, J. H. K., Poon, R. W., Tsoi, H. W., Lai, R. W., To, W. K., Ren, L., Li, M., Cao, Y., Xie, X. S., Jin, D. Y., & Yuen, K. Y. (2022). False Coronavirus Disease 2019 Cases due to Contamination by Inactivated Virus Vaccine. Clin Infect Dis, 74(8), 1485-1488. doi:10.1093/cid/ciab684.
  9. Li, X., Chan, J. F., Li, K. K., Tso, E. Y., Yip, C. C., Sridhar, S., Chung, T. W., Chiu, K. H., Hung, D. L., Wu, A. K., Chau, S. K., Liu, R., Lung, K. C., Tam, A. R., Cheng, V. C., To, K. K., Chan, K. H., Hung, I. F., & Yuen, K. Y. (2021). Detection of SARS-CoV-2 in conjunctival secretions from patients without ocular symptoms. Infection, 49(2), 257-265. doi:10.1007/s15010-020-01524-2
  10. Hung, D. L., Li, X., Chiu, K. H., Yip, C. C., To, K. K., Chan, J. F., Sridhar, S., Chung, T. W., Lung, K. C., Liu, R. W., Kwan, G. S., Hung, I. F., Cheng, V. C., & Yuen, K. Y. (2020). Early-Morning vs Spot Posterior Oropharyngeal Saliva for Diagnosis of SARS-CoV-2 Infection: Implication of Timing of Specimen Collection for Community-Wide Screening. Open Forum Infect Dis, 7(6), ofaa210. doi:10.1093/ofid/ofaa210.
  11. Hung, I. F., Cheng, V. C., Li, X., Tam, A. R., Hung, D. L., Chiu, K. H., Yip, C. C., Cai, J. P., Ho, D. T., Wong, S. C., Leung, S. S., Chu, M. Y., Tang, M. O., Chen, J. H., Poon, R. W., Fung, A. Y., Zhang, R. R., Yan, E. Y., Chen, L. L., Choi, C. Y., Leung, K. H., Chung, T. W., Lam, S. H., Lam, T. P., Chan, J. F., Chan, K. H., Wu, T. C., Ho, P. L., Chan, J. W., Lau, C. S., To, K. K., & Yuen, K. Y. (2020). SARS-CoV-2 shedding and seroconversion among passengers quarantined after disembarking a cruise ship: a case series. Lancet Infect Dis, 20(9), 1051-1060. doi:10.1016/s1473-3099(20)30364-9.