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China's new Covid-19 control protocol calls for monitoring mutated variants: Report

China's national influenza surveillance network recommended that the results need to be reported to the Chinese Center for Disease Control and Prevention's Institute of Virology and among entry personnel at land, air, and virology to trace new mutant strains in a timely way.

January 08, 2023 / 11:12 IST
Representative image

China's State Council joint prevention and control mechanism against COVID-19 has released a virus prevention and control plan.

The new protocol has been released in accordance to the decision to downgrade the epidemic management from Class A to Class B. The new protocol stresses upon increasing inoculation of the vaccine, self protection against the virus and on monitoring the virus via China's national influenza surveillance network according to a report by the Global Times. Moneycontrol could not independently verify the report.

Here's all that you need to know about the new Covid protocol:

More Hospitals
Citing the national influenza surveillance network the report said that 554 national influenza surveillance sentinel hospitals are required to conduct surveillance for influenza-like illness (ILI) and severe acute respiratory infections (SARI) surveillance.

Genome Sequencing
The new protocol urges upon collection of samples from outpatient and emergency cases, severe cases, and deaths in sentinel hospitals in representative sea ports to conduct whole-genome sequencing.

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 national influenza surveillance network recommended that the results need to be reported to the Chinese Center for Disease Control and Prevention's Institute of Virology.

Increased Monitoring, Increased Reporting
The new plan also requires regions to select qualified cities to conduct
monitoring of COVID-19 in urban sewage, which could help assess the intensity of the epidemic and get aware of the changing trend and virus mutation.

To ensure that the cases are curbed, the new protocol recommends that  new Covid-19 cases should be reported within 24 hours to China's CDC.

Increased InoculationThe new version of the protocol also calls for boosting vaccination, particularly among the elderly.

Moneycontrol News
first published: Jan 8, 2023 11:08 am

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