Potential Covid-19 vaccine from China shows promise in animal tests
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TUESDAY, AUGUST 16, 2022
Potential Covid-19 vaccine from China shows promise in animal tests

Coronavirus chronicle

Reuters
10 June, 2020, 08:00 pm
Last modified: 10 June, 2020, 08:13 pm

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Potential Covid-19 vaccine from China shows promise in animal tests

More than 100 potential Covid-19 vaccines are in various stages of development around the world. Among front runners currently in human trials are being developed by AstraZeneca, Pfizer, BioNtech, Johnson & Johnson, Merck, Moderna, Sanofi and China’s CanSino Biologics

Reuters
10 June, 2020, 08:00 pm
Last modified: 10 June, 2020, 08:13 pm
File Photo: Small bottles labeled with a "Vaccine Covid-19" sticker and a medical syringe are seen in this illustration taken April 10, 2020. Reuters/Dado Ruvic/Illustration/File Photo
File Photo: Small bottles labeled with a "Vaccine Covid-19" sticker and a medical syringe are seen in this illustration taken April 10, 2020. Reuters/Dado Ruvic/Illustration/File Photo

A potential Covid-19 vaccine being developed by Chinese researchers showed promise in trials in monkeys, triggering antibodies and raising no safety issues, researchers said, and a human trial with more than 1,000 participants is under way.

The vaccine candidate, called BBIBP-CorV, induced high-level neutralising antibodies that can block the virus from infecting cells in monkeys, rats, guinea pigs and rabbits, researchers said in a paper published in online by the medical journal Cell on Saturday.

"These results support the further evaluation of BBIBP-CorV in a clinical trial," researchers said in the paper. 

BBIBP-CorV, developed by Beijing Institute of Biological Products affiliated to state-owned China National Pharmaceutical Group (Sinopharm), is among five candidates China is testing in humans.

More than 100 potential Covid-19 vaccines are in various stages of development around the world. Among front runners currently in human trials are being developed by AstraZeneca, Pfizer, BioNtech, Johnson & Johnson, Merck, Moderna, Sanofi and China's CanSino Biologics.

As well as appearing safe and able to generate an immune response in animals, BBIBP-CorV did not appear to trigger antibodies that could boost the infection - a phenomenon known as antibody-dependent enhancement (ADE)- the researchers said, although this does not necessarily guarantee ADE won't occur in human tests.

Apart from BBIBP-CorV, Sinopharm, which has invested 1 billion yuan ($141.40 million) in vaccine projects, is testing in humans another vaccine candidate developed by its Wuhan-based unit. The two shots have been given to more than 2,000 people in clinical trials.

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