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Seroepidemiologic Study Designs for Determining SARS-COV-2 Transmission and Immunity.
Published in:
2020
By:
- Clapham, Hannah;
- Hay, James;
- Routledge, Isobel;
- Takahashi, Saki;
- Choisy, Marc;
- Cummings, Derek;
- Grenfell, Bryan;
- Metcalf, C. Jessica E.;
- Mina, Michael;
- Rodriguez-Barraquer, Isabel;
- Salje, Henrik;
- Tam, Clarence C.;
- Barraquer, Isabel Rodriguez
Publication type:
journal article
Burden and Cost of Hospitalization for Respiratory Syncytial Virus in Young Children, Singapore.
Published in:
2020
By:
- Tam, Clarence C.;
- Kee Thai Yeo;
- Nancy Tee;
- Raymond Lin;
- Tze Minn Mak;
- Koh Cheng Thoon;
- Mark Jit;
- Chee Fu Yung;
- Yeo, Kee Thai;
- Tee, Nancy;
- Lin, Raymond;
- Mak, Tze Minn;
- Thoon, Koh Cheng;
- Jit, Mark;
- Yung, Chee Fu
Publication type:
journal article
New Dengue Virus Type 1 Genotype in Colombo, Sri Lanka.
Published in:
Emerging Infectious Diseases, 2011, v. 17, n. 11, p. 2053, doi. 10.3201/eid1711.101893
By:
- Tissera, Hasitha A.;
- Ooi, Eng Eong;
- Gubler, Duane J.;
- Tan, Ying;
- Logendra, Barathy;
- Wahala, Wahala M. P. B.;
- de Silva, Aravinda M.;
- Abeysinghe, M. R. Nihal;
- Palihawadana, Paba;
- Gunasena, Sunethra;
- Tam, Clarence C.;
- Amarasinghe, Ananda;
- Letson, G. William;
- Margolis, Harold S.;
- De Silva, Aruna Dharshan
Publication type:
Article
Chicken Consumption and Use of Acid-Suppressing Medications as Risk Factors for Campylobacter Enteritis, England.
Published in:
Emerging Infectious Diseases, 2009, v. 15, n. 9, p. 1402, doi. 10.3201/eid1509.080773
By:
- Tam, Clarence C.;
- Higgins, Craig D.;
- Neal, Keith R.;
- Rodrigues, Laura C.;
- Millership, Sally E.;
- O'Brien, Sarah J.
Publication type:
Article
Causal thinking and causal language in epidemiology: a cause by any other name is still a cause: response to Lipton and Ødegaard.
Published in:
2006
By:
- Tam, Clarence C.
Publication type:
Editorial
Combating Antimicrobial Resistance in Singapore: A Qualitative Study Exploring the Policy Context, Challenges, Facilitators, and Proposed Strategies.
Published in:
Antibiotics (2079-6382), 2019, v. 8, n. 4, p. 201, doi. 10.3390/antibiotics8040201
By:
- Singh, Shweta Rajkumar;
- Chua, Alvin Qijia;
- Tan, Sok Teng;
- Tam, Clarence C.;
- Hsu, Li Yang;
- Legido-Quigley, Helena
Publication type:
Article
Influenza, Campylobacter and Mycoplasma Infections, and Hospital Admissions for Guillain-Barré Syndrome, England.
Published in:
Emerging Infectious Diseases, 2006, v. 12, n. 12, p. 1880, doi. 10.3201/eid1212.051032
By:
- Tam, Clarence C.;
- O'Brien, Sarah J.;
- Rodrigues, Laura C.
Publication type:
Article
Determinants of influenza and pneumococcal vaccine uptake among preschool children in Singapore.
Published in:
PLoS ONE, 2023, v. 17, n. 5, p. 1, doi. 10.1371/journal.pone.0285561
By:
- Zahari, Marina;
- Offeddu, Vittoria;
- Smith, Gavin J. D.;
- Tam, Clarence C.
Publication type:
Article
Association between semi-quantitative microbial load and respiratory symptoms among Thai military recruits: a prospective cohort study.
Published in:
2018
By:
- Tam, Clarence C.;
- Offeddu, Vittoria;
- Anderson, Kathryn B.;
- Weg, Alden L.;
- Macareo, Louis R.;
- Ellison, Damon W.;
- Rangsin, Ram;
- Fernandez, Stefan;
- Gibbons, Robert V.;
- Yoon, In-Kyu;
- Simasathien, Sriluck
Publication type:
journal article
Anterior case with dual-layering composite.
Published in:
International Dentistry - African Edition, 2024, v. 14, n. 3, p. 42
By:
- Tam, Clarence
Publication type:
Article
Premolar case with a nano-hybrid, intuitive universal composite.
Published in:
International Dentistry - African Edition, 2023, v. 13, n. 4, p. 56
By:
- Tam, Clarence P.
Publication type:
Article
Predictable complex composite restoration.
Published in:
2018
By:
- Tam, Clarence
Publication type:
Case Study
Immunity certification for COVID-19: ethical considerations.
Published in:
Bulletin of the World Health Organization, 2021, v. 99, n. 2, p. 155, doi. 10.2471/BLT.20.280701
By:
- Voo, Teck Chuan;
- Reis, Andreas A.;
- Thomé, Beatriz;
- Ho, Calvin W. L.;
- Tam, Clarence C.;
- Kelly-Cirino, Cassandra;
- Emanuel, Ezekiel;
- Beca, Juan P.;
- Littler, Katherine;
- Smith, Maxwell J.;
- Parker, Michael;
- Kass, Nancy;
- Gobat, Nina;
- Lei, Ruipeng;
- Upshur, Ross;
- Hurst, Samia;
- Munsaka, Sody
Publication type:
Article
Age-Specific Incidence Rates for Norovirus in the Community and Presenting to Primary Healthcare Facilities in the United Kingdom.
Published in:
2016
By:
- O’Brien, Sarah J.;
- Donaldson, Anna L.;
- Iturriza-Gomara, Miren;
- Tam, Clarence C.;
- O'Brien, Sarah J
Publication type:
journal article
Incidence of Guillain-Barré syndrome among patients with Campylobacter infection: a general practice research database study.
Published in:
2006
By:
- Tam CC;
- Rodrigues LC;
- Petersen I;
- Islam A;
- Hayward A;
- O'Brien SJ;
- Tam, Clarence C;
- Rodrigues, Laura C;
- Petersen, Irene;
- Islam, Amir;
- Hayward, Andrew;
- O'Brien, Sarah J
Publication type:
journal article
Incidence of Guillain-Barré Syndrome among Patients with Campylobacter Infection: A General Practice Research Database Study.
Published in:
Journal of Infectious Diseases, 2006, v. 194, n. 1, p. 95, doi. 10.1086/504294
By:
- Tam, Clarence C.;
- Rodrigues, Laura C.;
- Petersen, Irene;
- Islam, Amir;
- Hayward, Andrew;
- O'Brien, Sarah J.
Publication type:
Article
Diagnosing norovirus-associated infectious intestinal disease using viral load.
Published in:
BMC Infectious Diseases, 2009, v. 9, n. 1, p. 1, doi. 10.1186/1471-2334-9-63
By:
- Phillips, Gemma;
- Lopman, Ben;
- Tam, Clarence C.;
- Iturriza-Gomara, Miren;
- Brown, David;
- Gray, Jim
Publication type:
Article
Perceptions of public on the COVID-19 outbreak in Singapore: a qualitative content analysis.
Published in:
Journal of Public Health, 2020, v. 42, n. 4, p. 665, doi. 10.1093/pubmed/fdaa105
By:
- Shorey, Shefaly;
- Ang, Emily;
- Yamina, Amira;
- Tam, Clarence
Publication type:
Article
Geographic variation in dengue seroprevalence and force of infection in the urban paediatric population of Indonesia.
Published in:
PLoS Neglected Tropical Diseases, 2018, v. 12, n. 11, p. 1, doi. 10.1371/journal.pntd.0006932
By:
- Tam, Clarence C.;
- O’Driscoll, Megan;
- Taurel, Anne-Frieda;
- Nealon, Joshua;
- Hadinegoro, Sri Rezeki
Publication type:
Article
Ward-level factors associated with methicillin-resistant Staphylococcus aureus acquisition–an electronic medical records study in Singapore.
Published in:
PLoS ONE, 2021, v. 16, n. 7, p. 1, doi. 10.1371/journal.pone.0254852
By:
- Tun, Zaw Myo;
- Fisher, Dale A.;
- Salmon, Sharon;
- Tam, Clarence C.
Publication type:
Article
Estimating public health risks of infectious disease events: A Canadian approach to rapid risk assessment.
Published in:
Canada Communicable Disease Report, 2024, v. 50, n. 9, p. 282, doi. 10.14745/ccdr.v50i09a01
By:
- Anand, Sai Priya;
- Tam, Clarence C.;
- Calvin, Sharon;
- Ayache, Dima;
- Slywchuk, Lisa;
- Lambraki, Irene;
- Ahmad, Rukshanda;
- Waddell, Jan Trumble;
- Galanis, Eleni;
- Vrbova, Linda
Publication type:
Article
Rapid Assessment Zika Virus Knowledge Among Clinical Specialists in Singapore: A Cross-sectional Survey.
Published in:
PLoS Currents, 2017, p. 1, doi. 10.1371/currents.outbreaks.44b19196298e01f3a6dcd4c09f235fa8
By:
- Yung, Chee F.;
- Tam, Clarence C.;
- Rajadurai, Victor S.;
- Chan, Jerry K. Y.;
- Low, Mabel S. F.;
- Ng, Yong H.;
- Thoon, Koh C.;
- Tan, Lay K.
Publication type:
Article
Spatiotemporal variability in dengue transmission intensity in Jakarta, Indonesia.
Published in:
PLoS Neglected Tropical Diseases, 2020, v. 14, n. 3, p. 1, doi. 10.1371/journal.pntd.0008102
By:
- O'Driscoll, Megan;
- Imai, Natsuko;
- Ferguson, Neil M.;
- Hadinegoro, Sri Rezeki;
- Satari, Hindra Irawan;
- Tam, Clarence C.;
- Dorigatti, Ilaria
Publication type:
Article
Determinants influencing antibiotic use in Singapore's small-scale aquaculture sectors: A qualitative study.
Published in:
PLoS ONE, 2020, v. 15, n. 2, p. 1, doi. 10.1371/journal.pone.0228701
By:
- Lim, Jane Mingjie;
- Duong, Minh Cam;
- Hsu, Li Yang;
- Tam, Clarence C.
Publication type:
Article
Patterns of medication use and factors associated with antibiotic use among adult fever patients at Singapore primary care clinics.
Published in:
Antimicrobial Resistance & Infection Control, 2016, v. 5, p. 1, doi. 10.1186/s13756-016-0146-z
By:
- Zaw Myo Tun;
- Moorthy, Mahesh;
- Linster, Martin;
- Su, Yvonne C. F.;
- Coker, Richard James;
- Eng Eong Ooi;
- Jenny Guek-Hong Low;
- Smith, Gavin J. D.;
- Tam, Clarence C.
Publication type:
Article
Characterization of water and wildlife strains as a subgroup of Campylobacter jejuni using DNA microarrays.
Published in:
Environmental Microbiology, 2013, v. 15, n. 8, p. 2371, doi. 10.1111/1462-2920.12111
By:
- Stabler, Richard A.;
- Larsson, Jonas T.;
- Al ‐ Jaberi, Suaad;
- Nielsen, Eva M.;
- Kay, Emily;
- Tam, Clarence C.;
- Higgins, Craig D.;
- Rodrigues, Laura C.;
- Richardson, Judith F.;
- O'Brien, Sarah J.;
- Wren, Brendan W.
Publication type:
Article
Effectiveness of Masks and Respirators Against Respiratory Infections in Healthcare Workers: A Systematic Review and Meta-Analysis.
Published in:
Clinical Infectious Diseases, 2017, v. 65, n. 11, p. 1934, doi. 10.1093/cid/cix681
By:
- Offeddu, Vittoria;
- Chee Fu Yung;
- Sheau Fong Low, Mabel;
- Tam, Clarence C.
Publication type:
Article
Effect of reminders on mitigating participation bias in a case-control study.
Published in:
BMC Medical Research Methodology, 2011, v. 11, n. 1, p. 33, doi. 10.1186/1471-2288-11-33
By:
- Tam, Clarence C.;
- Higgins, Craig D.;
- Rodrigues, Laura C.
Publication type:
Article
Methods for determining disease burden and calibrating national surveillance data in the United Kingdom: the second study of infectious intestinal disease in the community (IID2 study).
Published in:
BMC Medical Research Methodology, 2010, v. 10, p. 39, doi. 10.1186/1471-2288-10-39
By:
- O'Brien, Sarah J.;
- Rait, Greta;
- Hunter, Paul R.;
- Gray, James J.;
- Bolton, Frederick J.;
- Tompkins, David S.;
- McLauchlin, Jim;
- Letley, Louise H.;
- Adak, Goutam K.;
- Cowden, John M.;
- Evans, Meirion R.;
- Neal, Keith R.;
- Smith, Gillian E.;
- Smyth, Brian;
- Tam, Clarence C.;
- Rodrigues, Laura C.
Publication type:
Article
The epidemiology and transmission of methicillin-resistant Staphylococcus aureus in the community in Singapore: study protocol for a longitudinal household study.
Published in:
2017
By:
- Shankar, Nivedita;
- Li Ping Chow, Angela;
- Oon, Jolene;
- Li Yang Hsu;
- Ang, Brenda;
- Junxiong Pang;
- De Sessions, Paola Florez;
- Periaswamy, Balamurugan;
- Tambyah, Paul A.;
- Teo, Desmond B.;
- Tam, Clarence C.;
- Chow, Angela Li Ping;
- Hsu, Li Yang;
- Pang, Junxiong
Publication type:
journal article
Building Naturomimetic Complex Direct Restorations Using a Modern Supercomposite.
Published in:
2022
By:
- Tam, Clarence
Publication type:
Case Study
Meteorological drivers of respiratory syncytial virus infections in Singapore.
Published in:
Scientific Reports, 2020, v. 10, n. 1, p. N.PAG, doi. 10.1038/s41598-020-76888-4
By:
- Ali, Sheikh Taslim;
- Tam, Clarence C.;
- Cowling, Benjamin J.;
- Yeo, Kee Thai;
- Yung, Chee Fu
Publication type:
Article
Economic Cost of Campylobacter, Norovirus and Rotavirus Disease in the United Kingdom.
Published in:
PLoS ONE, 2016, v. 11, n. 2, p. 1, doi. 10.1371/journal.pone.0138526
By:
- Tam, Clarence C;
- O’Brien, Sarah J
Publication type:
Article
Estimating the Incidence of Acute Infectious Intestinal Disease in the Community in the UK: A Retrospective Telephone Survey.
Published in:
PLoS ONE, 2016, v. 11, n. 1, p. 1, doi. 10.1371/journal.pone.0146171
By:
- Viviani, Laura;
- van der Es, Mike;
- Irvine, Lisa;
- Tam, Clarence C.;
- Rodrigues, Laura C.;
- Jackson, Kathryn A.;
- O’Brien, Sarah J.;
- Hunter, Paul R.;
- null, null
Publication type:
Article
Community Incidence of Norovirus-associated Infectious Intestinal Disease in England: Improved Estimates Using Viral Load for Norovirus Diagnosis.
Published in:
American Journal of Epidemiology, 2010, v. 171, n. 9, p. 1014, doi. 10.1093/aje/kwq021
By:
- Phillips, Gemma;
- Tam, Clarence C.;
- Conti, Stefano;
- Rodrigues, Laura C.;
- Brown, David;
- Iturriza-Gomara, Miren;
- Gray, Jim;
- Lopman, Ben
Publication type:
Article
Asymptomatic Rotavirus Infections in England: Prevalence, Characteristics, and Risk Factors.
Published in:
American Journal of Epidemiology, 2010, v. 171, n. 9, p. 1023, doi. 10.1093/aje/kwq050
By:
- Phillips, Gemma;
- Lopman, Ben;
- Rodrigues, Laura C.;
- Tam, Clarence C.
Publication type:
Article
Epidemiology and Transmission of Respiratory Infections in Thai Army Recruits: A Prospective Cohort Study.
Published in:
American Journal of Tropical Medicine & Hygiene, 2018, v. 99, n. 4, p. 1089, doi. 10.4269/ajtmh.18-0219
By:
- Tam, Clarence C.;
- Anderson, Kathryn B.;
- Offeddu, Vittoria;
- Weg, Alden;
- Macareo, Louis R.;
- Ellison, Damon W.;
- Rangsin, Ram;
- Fernandez, Stefan;
- Gibbons, Robert V.;
- In-Kyu Yoon;
- Simasathien, Sriluck
Publication type:
Article
Burden of Dengue Infection and Disease in a Pediatric Cohort in Urban Sri Lanka.
Published in:
American Journal of Tropical Medicine & Hygiene, 2014, v. 91, n. 1, p. 132, doi. 10.4269/ajtmh.13-0540
By:
- Tissera, Hasitha;
- Amarasinghe, Ananda;
- De Silva, Aruna Dharshan;
- Kariyawasam, Pradeep;
- Corbett, Kizzmekia S.;
- Katzelnick, Leah;
- Tam, Clarence;
- Letson, G. William;
- Margolis, Harold S.;
- de Silva, Aravind M.
Publication type:
Article
Estimated dengue force of infection and burden of primary infections among Indian children.
Published in:
2019
By:
- Bhavsar, Amit;
- Tam, Clarence C.;
- Garg, Suneela;
- Jammy, Guru Rajesh;
- Taurel, Anne-Frieda;
- Chong, Sher-Ney;
- Nealon, Joshua
Publication type:
journal article
Coverage and determinants of influenza vaccine among pregnant women: a cross-sectional study.
Published in:
2019
By:
- Offeddu, Vittoria;
- Tam, Clarence C.;
- Yong, Tze Tein;
- Tan, Lay Kok;
- Thoon, Koh Cheng;
- Lee, Nicole;
- Tan, Thiam Chye;
- Yeo, George S. H.;
- Yung, Chee Fu
Publication type:
journal article
Estimates of Dengue Force of Infection in Children in Colombo, Sri Lanka.
Published in:
PLoS Neglected Tropical Diseases, 2013, v. 7, n. 6, p. 1, doi. 10.1371/journal.pntd.0002259
By:
- Tam, Clarence C.;
- Tissera, Hasitha;
- de Silva, Aravinda M.;
- De Silva, Aruna Dharshan;
- Margolis, Harold S.;
- Amarasinge, Ananda
Publication type:
Article
Estimates of Dengue Force of Infection in Children in Colombo, Sri Lanka.
Published in:
PLoS Neglected Tropical Diseases, 2013, v. 7, n. 6, p. 1, doi. 10.1371/journal.pntd.0002259
By:
- Tam, Clarence C.;
- Tissera, Hasitha;
- de Silva, Aravinda M.;
- De Silva, Aruna Dharshan;
- Margolis, Harold S.;
- Amarasinge, Ananda
Publication type:
Article
Population anxiety and positive behaviour change during the COVID‐19 epidemic: Cross‐sectional surveys in Singapore, China and Italy.
Published in:
Influenza & Other Respiratory Viruses, 2021, v. 15, n. 1, p. 45, doi. 10.1111/irv.12785
By:
- Lim, Jane M.;
- Tun, Zaw Myo;
- Kumar, Vishakha;
- Quaye, Sharon Esi Duoduwa;
- Offeddu, Vittoria;
- Cook, Alex R.;
- Lwin, May Oo;
- Jiang, Shaohai;
- Tam, Clarence C.
Publication type:
Article
The second study of infectious intestinal disease (IID2): increased rates of recurrent diarrhoea in individuals aged 65 years and above.
Published in:
BMC Public Health, 2013, v. 13, n. 1, p. 1, doi. 10.1186/1471-2458-13-739
By:
- Tam, Clarence C.;
- Viviani, Laura;
- Rodrigues, Laura C.;
- O'Brien, Sarah J.
Publication type:
Article
The second study of infectious intestinal disease (IID2): increased rates of recurrent diarrhoea in individuals aged 65 years and above.
Published in:
2013
By:
- Tam, Clarence C;
- Viviani, Laura;
- Rodrigues, Laura C;
- O'Brien, Sarah J
Publication type:
journal article
The association between drinking water turbidity and gastrointestinal illness: a systematic review.
Published in:
BMC Public Health, 2007, v. 7, n. 1, p. 256, doi. 10.1186/1471-2458-7-256
By:
- Mann, Andrea G.;
- Tam, Clarence C.;
- Higgins, Craig D.;
- Rodrigues, Laura C.
Publication type:
Article
Epidemiologists: clinging to coat-tails or donning them?
Published in:
International Journal of Epidemiology, 2003, v. 32, n. 5, p. 880, doi. 10.1093/ije/dyg260
By:
- Ben A Lopman;
- Clarence C Tam
Publication type:
Article
The study of infectious intestinal disease in England: what risk factors for presentation to general practice tell us about potential for selection bias in case-control studies of reported cases of diarrhoea.
Published in:
2003
By:
- Tam, Clarence C;
- Rodrigues, Laura C;
- O’Brien, Sarah J;
- O'Brien, Sarah J
Publication type:
journal article
One drug to treat them all: ethical implications of the MORDOR trial of mass antibiotic administration to reduce child mortality.
Published in:
2019
By:
- Tam, Clarence C.;
- Offeddu, Vittoria;
- Lim, Jane Mingjie;
- Voo, Teck Chuan
Publication type:
journal article
Guillain-Barré Syndrome Associated with Campylobacter jejuni Infection in England, 2000--2001.
Published in:
Clinical Infectious Diseases, 2003, v. 37, n. 2, p. 307, doi. 10.1086/375845
By:
- Tam, Clarence C.;
- Rodrigues, Laura C.;
- O'Brien, Sarah J.
Publication type:
Article

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