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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1966 2
1967 2
1973 3
1976 1
1985 1
1987 3
1989 7
1990 2
1991 4
1992 5
1993 7
1994 9
1995 4
1996 9
1997 9
1998 13
1999 13
2000 25
2001 31
2002 36
2003 28
2004 31
2005 44
2006 29
2007 32
2008 29
2009 45
2010 58
2011 43
2012 71
2013 81
2014 85
2015 84
2016 68
2017 62
2018 68
2019 65
2020 128
2021 91
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1,193 results
Results by year
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Page 1
Triple combination of interferon beta-1b, lopinavir-ritonavir, and ribavirin in the treatment of patients admitted to hospital with COVID-19: an open-label, randomised, phase 2 trial.
Hung IF, Lung KC, Tso EY, Liu R, Chung TW, Chu MY, Ng YY, Lo J, Chan J, Tam AR, Shum HP, Chan V, Wu AK, Sin KM, Leung WS, Law WL, Lung DC, Sin S, Yeung P, Yip CC, Zhang RR, Fung AY, Yan EY, Leung KH, Ip JD, Chu AW, Chan WM, Ng AC, Lee R, Fung K, Yeung A, Wu TC, Chan JW, Yan WW, Chan WM, Chan JF, Lie AK, Tsang OT, Cheng VC, Que TL, Lau CS, Chan KH, To KK, Yuen KY. Hung IF, et al. Among authors: to kk. Lancet. 2020 May 30;395(10238):1695-1704. doi: 10.1016/S0140-6736(20)31042-4. Epub 2020 May 10. Lancet. 2020. PMID: 32401715 Free PMC article. Clinical Trial.
A familial cluster of pneumonia associated with the 2019 novel coronavirus indicating person-to-person transmission: a study of a family cluster.
Chan JF, Yuan S, Kok KH, To KK, Chu H, Yang J, Xing F, Liu J, Yip CC, Poon RW, Tsoi HW, Lo SK, Chan KH, Poon VK, Chan WM, Ip JD, Cai JP, Cheng VC, Chen H, Hui CK, Yuen KY. Chan JF, et al. Among authors: to kk. Lancet. 2020 Feb 15;395(10223):514-523. doi: 10.1016/S0140-6736(20)30154-9. Epub 2020 Jan 24. Lancet. 2020. PMID: 31986261 Free PMC article.
Consistent Detection of 2019 Novel Coronavirus in Saliva.
To KK, Tsang OT, Yip CC, Chan KH, Wu TC, Chan JM, Leung WS, Chik TS, Choi CY, Kandamby DH, Lung DC, Tam AR, Poon RW, Fung AY, Hung IF, Cheng VC, Chan JF, Yuen KY. To KK, et al. Clin Infect Dis. 2020 Jul 28;71(15):841-843. doi: 10.1093/cid/ciaa149. Clin Infect Dis. 2020. PMID: 32047895 Free PMC article.
Temporal profiles of viral load in posterior oropharyngeal saliva samples and serum antibody responses during infection by SARS-CoV-2: an observational cohort study.
To KK, Tsang OT, Leung WS, Tam AR, Wu TC, Lung DC, Yip CC, Cai JP, Chan JM, Chik TS, Lau DP, Choi CY, Chen LL, Chan WM, Chan KH, Ip JD, Ng AC, Poon RW, Luo CT, Cheng VC, Chan JF, Hung IF, Chen Z, Chen H, Yuen KY. To KK, et al. Lancet Infect Dis. 2020 May;20(5):565-574. doi: 10.1016/S1473-3099(20)30196-1. Epub 2020 Mar 23. Lancet Infect Dis. 2020. PMID: 32213337 Free PMC article.
Improved Molecular Diagnosis of COVID-19 by the Novel, Highly Sensitive and Specific COVID-19-RdRp/Hel Real-Time Reverse Transcription-PCR Assay Validated In Vitro and with Clinical Specimens.
Chan JF, Yip CC, To KK, Tang TH, Wong SC, Leung KH, Fung AY, Ng AC, Zou Z, Tsoi HW, Choi GK, Tam AR, Cheng VC, Chan KH, Tsang OT, Yuen KY. Chan JF, et al. Among authors: to kk. J Clin Microbiol. 2020 Apr 23;58(5):e00310-20. doi: 10.1128/JCM.00310-20. Print 2020 Apr 23. J Clin Microbiol. 2020. PMID: 32132196 Free PMC article.
Simulation of the Clinical and Pathological Manifestations of Coronavirus Disease 2019 (COVID-19) in a Golden Syrian Hamster Model: Implications for Disease Pathogenesis and Transmissibility.
Chan JF, Zhang AJ, Yuan S, Poon VK, Chan CC, Lee AC, Chan WM, Fan Z, Tsoi HW, Wen L, Liang R, Cao J, Chen Y, Tang K, Luo C, Cai JP, Kok KH, Chu H, Chan KH, Sridhar S, Chen Z, Chen H, To KK, Yuen KY. Chan JF, et al. Among authors: to kk. Clin Infect Dis. 2020 Dec 3;71(9):2428-2446. doi: 10.1093/cid/ciaa325. Clin Infect Dis. 2020. PMID: 32215622 Free PMC article.
COVID-19 salivary signature: diagnostic and research opportunities.
Sapkota D, Søland TM, Galtung HK, Sand LP, Giannecchini S, To KKW, Mendes-Correa MC, Giglio D, Hasséus B, Braz-Silva PH. Sapkota D, et al. Among authors: to kkw. J Clin Pathol. 2020 Aug 7:jclinpath-2020-206834. doi: 10.1136/jclinpath-2020-206834. Online ahead of print. J Clin Pathol. 2020. PMID: 32769214 Review.
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