Calvin J. Chiew

National Centre for Infectious Diseases, Singapore

Singapore

Ministry of Health, Singapore

College of Medicine

16 College Road

Singapore, 169854

Singapore

  • Ministry of Health, Singapore

SCHOLARLY PAPERS

7

DOWNLOADS
Rank 14,365

SSRN RANKINGS

Top 14,365

in Total Papers Downloads

7,262

TOTAL CITATIONS

45

Scholarly Papers (7)

Actions:
Email selected abstracts
1.

Clinical and Virological Features of SARS-CoV-2 Variants of Concern: A Retrospective Cohort Study Comparing B.1.1.7 (Alpha), B.1.315 (Beta), and B.1.617.2 (Delta)

Number of pages: 24 Posted: 07 Jun 2021
Sean Wei Xiang Ong, Calvin J. Chiew, Li Wei Ang, Tze-Minn Mak, Lin Cui, Matthias Paul HS Toh, Yi Ding Lim, Pei Hua Lee, Tau Hong Lee, Po Ying Chia, Sebastian Maurer-Stroh, Raymond Tzer Pin Lin, Yee-Sin Leo, Vernon J. Lee, David Chien Lye and Barnaby E. Young
National Centre for Infectious Diseases, Singapore, National Centre for Infectious Diseases, Singapore, National Centre for Infectious Diseases, Singapore, National Centre for Infectious Diseases, Singapore, National Centre for Infectious Diseases, Singapore, National Centre for Infectious Diseases, Singapore, Ministry of Health, Singapore, National Centre for Infectious Diseases, Singapore, National Centre for Infectious Diseases, Singapore, National Centre for Infectious Diseases, Singapore, Agency for Science, Technology and Research (A*STAR) - Bioinformatics Institute, National Centre for Infectious Diseases, National University of Singapore (NUS) - Department of Microbiology and Immunology, Ministry of Health, Singapore, Nanyang Technological University (NTU) - Lee Kong Chian School of Medicine and National Centre for Infectious Diseases, Singapore
Downloads 6,199 (2,723)
Citation 41

Abstract:

Loading...

COVID-19; SARS-CoV-2; B.1.1.7; B.1.351; B.1.617; variants of concern; severity; mortality

2.

Comparative Effectiveness of mRNA and Inactivated Whole Virus Vaccines against COVID-19 Infection and Severe Disease in Singapore

Number of pages: 13 Posted: 05 Jan 2022
Premikha M, Calvin J. Chiew, Wycliffe E. Wei, Yee-Sin Leo, Benjamin Ong, David Chien Lye, Vernon J. Lee and Kelvin Bryan Tan
Ministry of Health, Singapore, National Centre for Infectious Diseases, Singapore, National Public Health and Epidemiology Unit, National Centre for Infectious Diseases, National Centre for Infectious Diseases - Infectious Disease Research and Training Office, Ministry of Health, Singapore, National Centre for Infectious Diseases, Ministry of Health, Singapore and Ministry of Health, Singapore
Downloads 358 (178,687)
Citation 2

Abstract:

Loading...

COVID-19, SARS-CoV-2, vaccines, mRNA vaccine, inactivated vaccine

3.

Primary Series and Booster Vaccine Effectiveness against COVID-19 Infection and Hospitalisation among 12 to 17-year-old Adolescents in Singapore

Number of pages: 14 Posted: 08 Jan 2022 Last Revised: 15 Jun 2022
Calvin J. Chiew, Premikha M, Chia Yin Chong, Wycliffe E. Wei, Benjamin Ong, David Chien Lye, Derrick Heng, Vernon J. Lee and Kelvin Bryan Tan
National Centre for Infectious Diseases, Singapore, Ministry of Health, Singapore, KK Women's and Children's Hospital, National Public Health and Epidemiology Unit, National Centre for Infectious Diseases, Ministry of Health, Singapore, National Centre for Infectious Diseases, Ministry of Health, Singapore, Ministry of Health, Singapore and Ministry of Health, Singapore
Downloads 273 (238,572)
Citation 2

Abstract:

Loading...

COVID-19, SARS-CoV-2, vaccines, mRNA vaccine, adolescent, booster

4.

Protective Effectiveness of Natural SARS-CoV-2 Infection and Vaccines against Omicron BA.4/BA.5 and XBB Reinfection in Singapore: A National Cohort Study

Number of pages: 30 Posted: 03 Jan 2023
Celine Y. Tan, Calvin J. Chiew, Deanette Pang, Vernon J. Lee, Benjamin Ong, David Chien Lye and Kelvin Bryan Tan
Ministry of Health, Singapore, National Centre for Infectious Diseases, Singapore, Ministry of Health, Singapore, Ministry of Health, Singapore, Ministry of Health, Singapore, National Centre for Infectious Diseases and Ministry of Health, Singapore
Downloads 225 (289,024)

Abstract:

Loading...

COVID-19, SARS-CoV-2, vaccines, SARS-CoV-2 variants, hybrid immunity

5.

Long-Term Neurological and Psychiatric Sequelae in COVID-19 Survivors after Omicron BA.1/2 and Delta Infection: A Retrospective Cohort Study in Singapore

Number of pages: 19 Posted: 31 Jul 2023
Liang En Wee, Jue Tao Lim, An Ting Tay, Deanette Pang, Borame Sue Lee Dickens, Calvin J. Chiew, Benjamin Ong, David Chien Lye and Kelvin Bryan Tan
National Centre for Infectious Diseases, Nanyang Technological University (NTU) - Lee Kong Chian School of Medicine, Ministry of Health, Singapore, Ministry of Health, Singapore, National University of Singapore (NUS) - Saw Swee Hock School of Public Health, National Centre for Infectious Diseases, Singapore, Ministry of Health, Singapore, Nanyang Technological University (NTU) - Lee Kong Chian School of Medicine and Ministry of Health, Singapore
Downloads 106 (545,658)

Abstract:

Loading...

SARS-CoV-2, COVID-19, Neurology, Psychiatry, Omicron, Delta

6.

Potential for Vertical Transmission of SARS-CoV-2 within High-Rise Apartments (HRAs): An Epidemiologic Investigation and Airflow Modelling Study

Number of pages: 15 Posted: 13 May 2024
Samuel Zeng Rong Chong, Chin Chun Ooi, Muhammad Ismail Abdul Malek, Kang Chang Wei, Zhengwei Ge, Derrick Low, Calvin J. Chiew, Sae-Rom Chae, Yee Leong Teoh and Kelvin Bryan Tan
National Centre for Infectious Diseases, Agency for Science, Technology and Research (A*STAR) - Institute of High Performance Computing, Ministry of Health, Singapore, Agency for Science, Technology and Research (A*STAR) - Institute of High Performance Computing, Agency for Science, Technology and Research, Agency for Science, Technology and Research, National Centre for Infectious Diseases, Singapore, Ministry of Health, Singapore, Ministry of Health, Singapore and Ministry of Health, Singapore
Downloads 75 (677,632)

Abstract:

Loading...

global health, urban health, environmental health, communicable disease, respiratory pathogen transmission, high-rise apartments, vertical stack transmission, SARS-CoV-2

7.

Assessing Vertical Transmission of Sars-Cov-2 in High-Rise Apartments Via a Joint Epidemiologic and Modelling Investigation

Number of pages: 33 Posted: 01 Oct 2024
Samuel Zeng Rong Chong, Chin Chun Ooi, Muhammad Ismail Abdul Malek, Kang Chang Wei, Zhengwei Ge, Derrick Low, Calvin J. Chiew, Sae-Rom Chae, Yee Leong Teoh and Kelvin Bryan Tan
National Centre for Infectious Diseases, Agency for Science, Technology and Research (A*STAR) - Institute of High Performance Computing, Ministry of Health, Singapore, Agency for Science, Technology and Research (A*STAR) - Institute of High Performance Computing, Agency for Science, Technology and Research (A*STAR) - Institute of High Performance Computing, Agency for Science, Technology and Research, National Centre for Infectious Diseases, Singapore, Ministry of Health, Singapore, Ministry of Health, Singapore and Ministry of Health, Singapore
Downloads 26 (1,066,286)

Abstract:

Loading...

COVID-19, Epidemiologic investigation, Computational fluid dynamics modelling, Vertical transmission risk, Aerosol transmission