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標題: China Zhifei's COVID-19 vaccine shot largely retains effect [打印本頁]

作者: geemong    時間: 2021-7-17 15:52     標題: China Zhifei's COVID-19 vaccine shot largely retains effect

China Zhifei's COVID-19 vaccine shot largely retains
effect against Delta variant: Lab study




A COVID-19 vaccine developed by เกมสล็อต a unit of China's Chongqing Zhifei
Biological Products largely retained its neutralising effect against the Delta variant but
there was a slight reduction, Chinese researchers found in a laboratory study.

Scientists and regulators are watching closely to see whether the Delta variant,
which is significantly more contagious than the original variant of the coronavirus,
will render available vaccines and treatments insufficient.

Tested against particles mimicking the real Delta variant, serum samples from people
vaccinated with Zhifei's three-dose regimen showed a 1.2-fold reduction in
neutralising effect compared with against particles mimicking an older variant,
researchers said in a paper published on Friday (Jul 16) without peer review.

However, researchers cautioned that data from clinical trials or real-world use were
still necessary to determine how well the shot can prevent people from getting sick by
the variants.

Efficacy results from the Phase 3 clinical trial are yet to be published for the vaccine.

The study, where samples from 28 people were collected and tested, also found that
samples from those who received their third dose at longer intervals between
the second shot showed a greater activity against variants.

作者: martina28043    時間: 2021-7-18 11:07

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