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Smart Talk | Experts clarify: Is it safe to take COVID-19 vaccines?

Inoculations of the COVID-19 vaccines have been rolled out in different countries. Since December, China has started inoculating some key groups with the vaccines. More than 24 million doses have been administered to date. Meanwhile in Hong Kong, local government expects to offer free vaccinations to the public starting this month, with the goal of providing the vaccine to the majority of its citizens within this year. However, controversies on the effectiveness and side effects of available vaccines arouse and ferment. Most people are still skeptical of being vaccinated.

In this episode, DotDotNews invites Anthony WU, Chairman of Sunrise Diagnostic Center and former Chairman of Hospital Authority, together with Dr. Zhiwei CHEN, Professor of Microbiology and Director of the AIDS Institute at HKU, who has been studying virology intensively for decades.

As the efficacy of the Sinovac vaccine changes from 78% to 50.4%, how should we view vaccine efficacy? Comparing different vaccines, which is the most reliable? And unlike the traditional flu vaccines, why do we need two doses for the COVID-19 vaccines? Watch the video to find out.

Please watch Part II here.

以言會友|新冠疫苗接種爭議四起?資深大咖答疑解惑

目前,新冠疫苗接種工作已在全球多個國家陸續展開。中國內地從2020年12月起對重點人群進行接種,至今已接種超過2400萬劑次。香港政府預計本月起為市民免費接種,目標是在今年內為大部分巿民提供疫苗。然而,關於疫苗有效性和副作用的爭議和討論依然在持續發酵。對於疫苗接種,大部分人仍持觀望態度。

本期「以言會友」,點新聞DotDotNews邀請到華昇診斷中心董事長、前香港醫管局主席胡定旭,以及從事病毒研究數十年的香港大學微生物學系教授陳志偉博士,從科學專業的角度回應關於疫苗的熱議問題,深入淺出地分析疫苗接種的安全性和必要性。

面對近日科興疫苗的數據變化落差,如何看待疫苗的有效率?比較即將供港的各家疫苗,它們孰優孰劣?與傳統的流感疫苗不同,為什麼新冠疫苗需要前後進行兩劑接種?想聽聽科學家和業內資深人士的分析和講解?請去片。

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