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.