Yuen Kwok-yung

Yuen Kwok-yung GBS JP (Chinese: 袁國勇; born 30 December 1956) is a Hong Kong microbiologist, physician and surgeon. He is a prolific researcher, with most of his nearly 800 papers (as of December 2020) related to research on novel microbes or emerging infectious diseases. He led a team identifying the SARS coronavirus that caused the SARS pandemic of 2003–4, and traced its genetic origins to wild bats. During the ongoing COVID-19 pandemic, he has acted as expert adviser to the Hong Kong government.[1]

In this Chinese name, the family name is Yuen.
Professor

Yuen Kwok-yung

GBS JP
袁國勇
Yuen during a NHC press conference in January 2020
Born (1956-12-30) 30 December 1956
Hong Kong
Alma materUniversity of Hong Kong
Known forResearch on SARS
Scientific career
FieldsMicrobiology
InstitutionsUniversity of Hong Kong

Career

Yuen graduated from the Faculty of Medicine at the University of Hong Kong in 1981 with distinction in Medicine. Initially trained as a surgeon, he switched successfully to a physician and, subsequently, a clinical microbiologist. In the outbreak of avian influenza virus H5N1 in 1997 in Hong Kong, Yuen was the first to report in the Lancet about the unusual clinical severity and high mortality of infected patients, which could be identified by the in-house molecular test at his laboratory.[2] During the global outbreak of severe acute respiratory syndrome (SARS) in 2003, he led his team in the discovery of SARS-CoV-1,[3] and subsequently traced its genetic origins to wild bats.[4] For these achievements he was honoured by Time Asia magazine as one of its "Asian heroes of the year" in 2003.[3]

Yuen is currently the Chair of Infectious Disease at the Department of Microbiology of the University of Hong Kong. He co-directs the State Key Laboratory of Emerging Infectious Disease of China in Hong Kong Special Administrative Region of PRC. He is also a member of the Chinese Academy of Engineering (Medicine and Health section).

COVID-19 pandemic

Yuen is involved in the research on SARS-CoV-2, the virus responsible for the COVID-19 pandemic.[5] He was an early advocate of wearing masks even by healthy individuals, citing asymptomatic cases and a large number of virus strands in saliva of an infected person.[6]

Yuen's information videos on preventing the spread of the virus are published on the website of the University of Hong Kong.[7]

Yuen caused controversy when he and co-author David Lung published an op-ed article titled "The pandemic originated from Wuhan and the lessons from 17 years ago have been forgotten." in the Chinese-language newspaper Ming Pao, stating that the trading and consumption of wild animals was a result of the inferior culture of Chinese people. The authors later retracted the article and apologised for the statement.[8]

In an interview with the BBC, Yuen accused the Chinese authorities of covering up the scale of the virus. He claimed that he alerted mainland health officials on 12 January 2020 to suspected human-to-human transmission of SARS-CoV-2. This warning was not made public until 19 January. He also accused the authorities of destroying evidence: "When we went to the Huanan supermarket, of course, there was nothing to see because the market was clean already. So, you may say that the crime scene is already disturbed. Because the seafood market was cleared, we cannot identify the animal host, which has given the virus to humans.", said Yuen.[9][10]

Yuen was one of the lead authors of an article in Clinical Infections Diseases, published in August 2020, which described the first proven case of a COVID-19 reinfection of a patient with a different strain of SARS-CoV-2.[11]

On 6 December 2020, during the fourth wave of the COVID-19 pandemic in Hong Kong, Yuen said that the wave had been expected and urged the public to remain vigilant with regard to social contacts on Christmas. At the same time, he expressed his confidence that the wave would remain under control if the city went back to the social distancing measures that had been in place in July.[12]

See also

References
  1. "Health expert inspects markets". news.gov.hk. 4 August 2020. Archived from the original on 7 October 2020. Retrieved 22 December 2020.
  2. Yuen, KY; Chan, PKS; Peiris, M; Tsang, DNC; Que, TL; Shortridge, KF; Cheung, PT; To, WK; Ho, ETF; Sung, R; Cheng, AFB (February 1998). "Clinical features and rapid viral diagnosis of human disease associated with avian influenza A H5N1 virus". The Lancet. 351 (9101): 467–471. doi:10.1016/S0140-6736(98)01182-9. PMID 9482437. S2CID 24198615.
  3. Tsang, Emily (24 March 2018). "With vigilance slipping and a hard-pressed health system, is Hong Kong ready for the next deadly epidemic?". South China Morning Post. Retrieved 8 December 2020.
  4. Bradsher, Keith (28 March 2013). "Hong Kong, Shaken by SARS Outbreak in '03, Keeps Wary Eye on New Virus". The New York Times. Retrieved 8 December 2020.
  5. Leung, Kanis (29 January 2020). "Effectiveness of virus drugs 'could be gauged within weeks' with tests to begin". South China Morning Post.
  6. Li, Isabelle; Zhao, Zuoyan (10 March 2020). "Q&A with HK microbiologist Yuen Kwok-yung who helped confirm coronavirus' human spread". The Straits Times.
  7. "What preventive measures should I take other than wearing masks and washing hands frequently? (and other Information videos by Yuen)". The University of Hong Kong. 12 February 2020. Retrieved 4 March 2020.
  8. Cheung, Gary; Cheung, Elizabeth (19 March 2020). "Coronavirus: leading Hong Kong microbiologist retracts op-ed claiming pandemic began in Wuhan". South China Morning Post. South China Morning Post Publishers Ltd. Archived from the original on 20 June 2020. Retrieved 20 June 2020.
  9. Mathers, Matt (27 July 2020). "Coronavirus: Wuhan officials tried to 'cover up' truth about disease, says expert". The Independent. Retrieved 21 December 2020.
  10. Smith, Nicola; Johnson, Jamie (28 July 2020). "Chinese authorities 'covered up' coronavirus cases in Wuhan and did not warn public of risk for a week, claims scientist". The Telegraph. ISSN 0307-1235. Retrieved 28 July 2020.
  11. "Hong Kong researchers report first known COVID-19 reinfection". Deutsche Welle (dw.com). 24 August 2020. Retrieved 8 December 2020.
  12. Chau, Candice (7 December 2020). "Covid-19: Fines to rise to HK$5k, test kits roll out in MTR stations, as expert urges vigilance over Christmas". Hong Kong Free Press. Retrieved 8 December 2020.

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