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China’s Covid-19 outbreak has US worried about new variants

“When it comes to the current outbreak in China, we want to see this addressed,” State Department spokesman Ned Price said in a briefing on Monday. “We know that anytime the virus is spreading in the wild that it has the potential to mutate and to pose a threat to people everywhere.”

December 20, 2022 / 07:27 IST
An epidemic control worker at a government quarantine facility in Beijing on December 7.

The US is concerned China’s runaway Covid-19 outbreak might spawn new mutations of the virus, as the world’s most populous country continues to grapple with the impact of loosening “Covid Zero” protocols that had kept the pandemic at bay.

“When it comes to the current outbreak in China, we want to see this addressed,” State Department spokesman Ned Price said in a briefing on Monday. “We know that anytime the virus is spreading in the wild that it has the potential to mutate and to pose a threat to people everywhere.”

Chinese cities are witnessing a wave of Covid-19 cases, with concerns growing that the government may be hiding the true toll of the virus after years of insisting that the Communist Party had handled the virus more skillfully than the West. On Monday, police and security guards pushed journalists back from a Beijing crematorium.

A spokesperson at the Chinese Embassy in Washington didn’t immediately respond to a request for comment about Price’s remarks.

Covid-19 U-Turn

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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The outbreak has grown following the government’s decision to lift a raft of strict restrictions, including quarantine and isolation protocols, that had largely insulated China’s 1.4 billion people from the worst impact of the Covid-19 pandemic.

China’s U-turn on Covid-19 followed protests in late November in numerous Chinese cities after the containment measures were blamed for deaths after a fire in the country’s western Xinjiang region.

Health agencies, including the US Centers for Disease Control and Prevention, have been on the lookout for new variants such as delta or omicron as Covid-19 waves hit different countries around the world. New variations “allow the virus to spread more easily or make it resistant to treatments or vaccines,” according to the CDC.

The US — which is sending a delegation led by Secretary of State Antony Blinken to Beijing early in the new year — hopes China can get its current Covid-19 outbreak under control in part because any further blow to the Asian nation could further harm the global economy, Price said.

“The toll of the virus is of concern to the rest of the world, given the size of China’s GDP,” he said. “It’s not only good for China to be in a stronger position vis-a-vis Covid, but it’s good for the rest of the world as well.”

Bloomberg
first published: Dec 20, 2022 07:27 am

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