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HomeNewscoronavirusCoronavirus pandemic | Most people will not need COVID-19 vaccine, says Oxford epidemiologist

Coronavirus pandemic | Most people will not need COVID-19 vaccine, says Oxford epidemiologist

Oxford University Professor Sunetra Gupta says the virus is not something to worry about for most people and the pandemic will die out naturally.

July 02, 2020 / 19:01 IST
3 | NHS England in talks on rollout of potential COVID vaccine from December, says report: The National Health Service (NHS) is in talks with the British Medical Association (BMA) and others around mobilising the rollout of a potential COVID-19 vaccine from December, Pulse website for health professionals reported. >There is optimism around the first cohorts being given a vaccine in December but there is a 50/50 chance of the vaccine being available by that time, Pulse reported, citing a person close to the discussions.

Most people will not need a COVID-19 vaccine, UK-based epidemiologist professor Sunetra Gupta has said as the world anxiously waits for a jab for the respiratory illness caused by the coronavirus that continues to spread unchecked.

Gupta, who teaches theoretical epidemiology at Oxford University, is often referred to as ‘Professor Reopen’ for opposing lockdowns as a long-term measure to check the spread of the pandemic.

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According to a Hindustan Times report, she said when the vaccine is found, it will be given only to the vulnerable sections-- people aged above 65 and those living with co-morbidities.

“What we’ve seen is that in normal, healthy people, who are not elderly or frail or don’t have comorbidities, this virus is not something to worry about no more than how we worry about flu…,” the newspaper quoted her as saying.

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 vaccine, when it will come into existence, will be used to support the vulnerable, most of us don’t need to worry about coronavirus.”

Gupta said the pandemic would die out naturally and become a common like influenza, possibly with a lower death toll.

She went on to say that while lockdowns helped in containing the spread of the virus, they would not work as a long-term measure for which non-pharmaceutical interventions would be necessary.

Even in countries where the lockdown was successful, a resurgence of the coronavirus has been reported, the Oxford professor said.

In India, too, the number of coronavirus cases has been rising after easing of lockdown restrictions, with the tally of known infections crossing six lakh on July 2. More than 17, 834 people have died. India went into lockdown on March 25

Follow our coverage of the coronavirus crisis here

Moneycontrol News
first published: Jul 2, 2020 07:01 pm

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