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Britain to work with WHO on 'pandemic radar' to track diseases

Prime Minister Boris Johnson announced the plan for a "Global Pandemic Radar" ahead of a G20 Global Health summit on Friday in Rome.

May 21, 2021 / 22:17 IST
Prime Minister Boris Johnson announced the plan for a "Global Pandemic Radar" ahead of a G20 Global Health summit on Friday in Rome.

Britain will work with the World Health Organization (WHO) to develop a "pandemic radar" system to identify new coronavirus variants quickly and track emerging diseases globally to ensure the world is never "caught unawares again".

Prime Minister Boris Johnson announced the plan for a "Global Pandemic Radar" ahead of a G20 Global Health summit on Friday in Rome, where he called on the world to unite to tackle COVID-19 and future pandemics. read more

He is using Britain's presidency of the G7 to highlight the need to be prepared for future pandemics, launching an expert group to examine how the development of vaccines against future diseases can be expedited. read more

"Tackling COVID-19 globally and ensuring we are better prepared for future health threats is an absolute priority for the UK’s G7 presidency," Johnson said.

"The world must never be caught unawares again by a virus spreading among us unchecked. We need to build a system of disease surveillance fit for the 21st century, with real-time data sharing and rapid genomic sequencing and response."

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.

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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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Johnson said in his G20 speech that Britain had asked the Wellcome Trust global health charity to work with international partners on a network of surveillance hubs that could watch out for outbreaks and share data on variants and vaccine resistance.

"We are long overdue the essential reinforcement of our local, national and international disease surveillance networks," Jeremy Farrar, director of Wellcome, said.

"We failed to address these gaps following other epidemics and we must act now before countries move on from this pandemic."

Britain will host a G7 health ministers summit on June 3-4, ahead of an in-person leaders summit in south-west England the following week.

Britain has extensive virus-sequencing capabilities that have come to the fore as coronavirus variants raise the risk of new waves of infections. read more

WHO Director-General Tedros Adhanom Ghebreyesus said Britain had "set a strong example for pathogen surveillance and sequencing, as well as vaccine development".

"I am delighted that under PM Johnson, the UK will partner with WHO to contribute to stronger global surveillance and a safer world," he said.

Reuters
first published: May 21, 2021 10:17 pm

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