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COVID-19 vaccine launch by Aug 15 unfeasible, ICMR slammed for raising ‘unrealistic hope and expectations’

The Indian Council of Medical Research and private pharmaceutical company Bharat Biotech India earlier said that they hoped to launch a vaccine against the novel coronavirus for public health use latest by August 15.

July 06, 2020 / 12:45 PM IST

Terming it “unfeasible”, the Indian Academy of Sciences (IASc) slammed the Indian Council of Medical Research (ICMR) on July 5 for its claims that an indigenous vaccine against the novel coronavirus would be launched by August 15, following completion of clinical trials.

IASc’s statement came after ICMR and Bharat Biotech India Limited, a private pharmaceutical company, said that they had “envisaged to launch the vaccine for public health use latest by August 15, 2020 after completion of all clinical trials”.


The two are jointly developing a vaccine against SARS-CoV-2, the virus that causes COVID-19.


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 top science institute said that this timeline has “raised unrealistic hope and expectations in the minds of our citizens”.

Also read | Passed mandated protocols, animal testing and now in clinical development stage: Bharat Biotech's Dr Krishna Ella

“While there is an unquestioned urgent need, vaccine development for use in humans requires scientifically executed clinical trials in a phased manner. These trials involve evaluation of safety (Phase 1 trial), efficacy and side effects at different dose levels (Phase 2 trial) and confirmation of safety and efficacy in thousands of healthy people (Phase 3 trial) before its release for public use,” IASc said in a statement.

The institute added that clinical trials of a vaccine candidate requires participation of healthy human volunteers and, therefore, “many ethical and regulatory approvals need to be obtained prior to the initiation of the trials.”

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While approvals can be expedited, the scientific processes of experimentation and data collection “have a natural time span that cannot be hastened without compromising standards of scientific rigour”, IASc said.

The Academy strongly believes that any “hasty solution” that may compromise rigorous scientific processes and standards will likely have “long-term adverse impacts of unforeseen magnitude” on the people.

Also read | Explained: How did Bharat Biotech emerge as dark horse in race for COVID-19 vaccine?

On July 4, ICMR issued a clarification saying the process was in accordance with globally accepted norms. The medical authority asked Bharat Biotech in an internal communication on July 2 to fast-track clinical trials of the indigenous COVID-19 vaccine.

In an official statement, ICMR Director General Balram Bhargava had stated that ICMR envisages the launch of the indigenous COVID-19 vaccine by August 15. Bharat Biotech recently got a nod for the clinical trial of its vaccine — COVAXIN.

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first published: Jul 5, 2020 12:22 pm
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