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China set to ease COVID curbs further as markets cheer change of tack

Three years into the pandemic, China's zero-tolerance measures, from shut borders to frequent lockdowns, contrast sharply with the rest of the world, which has largely decided to live with the virus.

December 06, 2022 / 07:20 IST
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"Students can't go to school without a 24-hour negative test," wrote a user on China's Twitter-like Weibo. "What's the point in closing testing booths before dropping the need to show test results completely?" another asked. Chinese authorities on November 5 reported 29,724 new domestic Covid cases. (Image: AP)

China is set to announce a further easing of some of the world's toughest COVID curbs as early as Wednesday, sources said, as investors cheered the prospect of a policy shift that follows widespread protests and mounting economic damage.

Three years into the pandemic, China's zero-tolerance measures, from shut borders to frequent lockdowns, contrast sharply with the rest of the world, which has largely decided to live with the virus.

Story continues below Advertisement

The strict approach has battered the world's second-largest economy, put mental strain on hundreds of millions and last month prompted the biggest show of public discontent in mainland China since President Xi Jinping took power in 2012.

Although last month's protests largely subsided amid a heavy police presence across major cities, regional authorities have since cut back on lockdowns, quarantine rules and testing requirements to varying degrees. Top officials have also softened their tone on the dangers posed by the virus.

COVID-19 Vaccine
Frequently Asked Questions

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How does a vaccine work?

A vaccine works by mimicking a natural infection. A vaccine not only induces immune response to protect people from any future COVID-19 infection, but also helps quickly build herd immunity to put an end to the pandemic. Herd immunity occurs when a sufficient percentage of a population becomes immune to a disease, making the spread of disease from person to person unlikely. The good news is that SARS-CoV-2 virus has been fairly stable, which increases the viability of a vaccine.

How many types of vaccines are there?

There are broadly four types of vaccine — one, a vaccine based on the whole virus (this could be either inactivated, or an attenuated [weakened] virus vaccine); two, a non-replicating viral vector vaccine that uses a benign virus as vector that carries the antigen of SARS-CoV; three, nucleic-acid vaccines that have genetic material like DNA and RNA of antigens like spike protein given to a person, helping human cells decode genetic material and produce the vaccine; and four, protein subunit vaccine wherein the recombinant proteins of SARS-COV-2 along with an adjuvant (booster) is given as a vaccine.

What does it take to develop a vaccine of this kind?

Vaccine development is a long, complex process. Unlike drugs that are given to people with a diseased, vaccines are given to healthy people and also vulnerable sections such as children, pregnant women and the elderly. So rigorous tests are compulsory. History says that the fastest time it took to develop a vaccine is five years, but it usually takes double or sometimes triple that time.
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