Hong Kong researchers urge third COVID-19 shot after new Omicron study

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Dec 15, 2021  •  28 minutes in the past  •  2 minute learn  • 


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HONG KONG — Researchers in Hong Kong have urged individuals to get a third dose of COVID-19 vaccine as quickly as potential, after a study confirmed inadequate antibodies had been generated by the Sinovac and BioNTech merchandise to fend off Omicron.

Tuesday’s launch of the outcomes of a study by scientists within the microbiology division of the University of Hong Kong was the primary revealed preliminary information on the influence of Sinovac’s vaccine towards the Omicron variant of coronavirus.

None of the serum of the 25 Coronavac vaccine recipients contained ample antibodies to neutralize the new variant, based on the study, accepted for publication within the journal Clinical Infectious Diseases, the researchers stated.

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Just 5 of 25 BioNTech vaccine recipients had neutralizing skill towards Omicron, and vaccine effectivity was diminished considerably to twenty% to 24%, the study discovered.

“The public is advised to get a third dose of the vaccine as soon as possible while waiting for the next generation of a more matched vaccine,” the researchers stated in a information launch.

The study, funded by the Hong Kong authorities, was carried out by microbiologists Yuen Kwok-yung, Kelvin To and Chen Honglin.

Sinovac didn’t instantly reply to questions on the study, however a spokesperson stated its personal laboratory testing confirmed a third dose of its vaccine was efficient in producing Omicron antibodies.


BioNTech didn’t instantly reply to questions on the study.

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The fast-spreading Delta variant stays dominant worldwide, and it’s unclear if Omicron is inherently extra contagious, the World Health Organization (WHO) stated in a quick on Sunday.

Scientists say it’s nonetheless too early to know if Omicron causes kind of extreme COVID-19 than earlier variants.

A study of real-world information revealed on Tuesday confirmed Pfizer-BioNTech’s COVID-19 vaccine was much less efficient in South Africa at retaining out of hospital these contaminated with the virus for the reason that Omicron variant emerged final month.

Last week, the 2 corporations stated a three-dose course of their vaccine had neutralized Omicron in a laboratory check, an early signal that booster photographs may very well be key for cover towards it.

(Reporting by Greg Torode and Roxanne Liu in Beijing; Editing by Clarence Fernandez)

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