Categories: News

HKU microbiology researchers collaborating with vaccine manufacturers and governments for urgent development of new vaccines against Omicron

HONG KONG SAR -�Media OutReach - 13 December 2021 – After successfully isolating the SARS-CoV-2 Omicron variant from clinical specimens, researchers at the Department of Microbiology at The University of Hong Kong (HKU) are now collaborating with governments and vaccine manufacturers in order to quickly advance the development and production of vaccines against the variant.  

 

The team said it is willing to share its findings with any qualified organisation that is working to develop Omicron vaccines or treatments.   

 

HKU is also working with overseas research institutes to export to them the virus isolate for research purposes.  

 

The HKU research team was the first known group in Asia to isolate the Omicron variant, which has been designated as a “variant of concern” by the World Health Organization (WHO) and is fast spreading throughout the world.  

 

Today, the HKU microbiology team announced that it has exported the isolated virus to both the Chinese Centre for Disease Control and Prevention (CDC) and Chinese-based vaccine manufacturers, Sinovac Life Sciences Co., Ltd. and China National Biotec Group Company Limited (ChinaPharm) for research on the variant and the development of vaccines targeting Omicron.  

 

HKU is also making plans to export the virus isolate to a leading US organization at its request. “We are open and ready to share the isolate with anyone who needs it and has the expertise to work with it,” said Professor Kwok-yung Yuen, HKU microbiologist and leader of the research team.  

 

In addition to vaccine production, the virus isolate will also be used in research on the transmissibility, immune evasion capability, and pathogenicity in animal models, and could also be used to test the efficacy of existing vaccines and treatments, said Professor Yuen. 

 

The HKU microbiologists succeeded in isolating the variant on 29 November, just four days after the first two Omicron cases were confirmed in Hong Kong on 25 November, and five days after the variant was first reported to the WHO.   The WHO designated the variant, initially identified as B.1.1.529 a variant of concern, and named it Omicron on 26 November.  

 

“It is our duty to get this isolate into the hands of scientists around the globe as quickly as possible,” said Professor Max Shen, Vice President (Research) and Acting Director of the Technology Transfer Office at HKU.  “We must work together to diminish the damaging effect of the Omicron variant on the global population, to promote global health and socio-economic recovery.” Professor Shen added. 

 

Omicron variants have since been reported from around the world and spread to 57 nations and territories as of 9 December.  

 

Governments around the world have since imposed strict travel bans and heightened surveillance in an effort to slow the advance of Omicron, with many hoping for the quick development of a new and effective vaccine.   

 

Separately, the research team at the microbiology department is also working with China-based Wantai Biological Pharmacy for the development of an intranasal vaccine for COVID-19. A phase two clinical trial of the vaccine in Hong Kong and a phase three trial in South Africa and the Philippines will soon commence.  

 

Other leaders of the research team include Professor Honglin Chen and Professor Kelvin To, head of the Department of Microbiology.  

 

Virus isolation and incubation were conducted at the biosafety level 3 laboratory (P3 laboratory) of HKU, following standard operating procedures. The university currently has the only P3 laboratory in Hong Kong.  

 

About Professor Yuen Kwok-yung

Professor Yuen is currently the Chair of Infectious Diseases of the Department of Microbiology at the University of Hong Kong. He is also the Co-Director of the State Key Laboratory of Emerging Infectious Diseases. His publications on emerging infectious diseases and microbial hunting have received more than 85,000 citations and h-index of 120 (Scopus). He was ranked by Clarivate Analytics as one of the world’s most highly cited researchers and top 1% scholars. He is a member of the Chinese Academy of Engineering (Division of Medicine & Health) and Chinese Academy of Medical Sciences, and a fellow of the American Academy of Microbiology. 

 

He has discovered over 80 novel viruses of which 35 are coronaviruses. During the outbreak of SARS in 2003, he led his team in the discovery of the SARS coronavirus as co-principal investigator. Subsequently he discovered the natural reservoir of bat SARS related coronaviruses, which are predecessors of human SARS-CoV-1 of 2003 and SARS-CoV-2 of 2021, in Chinese horseshoe bats. His findings renewed the interests of bats as the source of novel microbes causing emerging infectious diseases. 

 

The success in finding novel microbes in human and animals is exemplified by his other discoveries of human coronavirus HKU1(still circulating globally as common cold coronavirus), bat coronaviruses HKU2 (related to farm outbreaks of porcine diarrheal disease), HKU4 and HKU5 (related to MERS coronavirus), and HKU15(related to the suspected porcine deltacoronavirus jumping into human in 2021). During the COVID-19 pandemic, he and his team was the first to report in The Lancet on the identification of the first familial cluster of COVID-19, confirming person-to-person transmission of SARS-CoV-2, which led to major policy changes for controlling the pandemic worldwide. 

About The University of Hong Kong

Founded in 1911, The University of Hong Kong (HKU) is the first and oldest institution of higher learning in Hong Kong, China. For over a century, the University has dedicated itself to creating knowledge, providing education, and serving society. Today, HKU is a research-led comprehensive University with 10 faculties and a strong commitment to intellectual freedom, liberty and diversity.

A research-led comprehensive university – 139 of our professors have been ranked as the world’s top 1% scientists by Essential Science Indicators, Thomson Reuters. HKU is ranked 22nd in the world according to QS World University Rankings 2022, with 6 subjects placed amongst the top 20 in the QS by Subject 2021.

HKU students hail from 96 countries, with 60% from outside Hong Kong. For the last 11 years, more than 99.4% of our graduates have received at least one job offer in every consecutive academic year, with many embarking on diverse careers fields such as finance, law, engineering and technology, culture, management. English is the medium of instruction.

#HKU #TheUniversityofHongKong

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