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New Delhi, Jul 6: The Indian Academy of Sciences, a Bengaluru-based body of scientists, has said the Indian Council for Medical Research's (ICMR) target to launch a coronavirus vaccine by August 15 is "unfeasible" and "unrealistic".

The IASc said while there is an unquestioned urgent need, vaccine development for use in humans requires scientifically executed clinical trials in a phased manner.

While administrative 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", the IASc said in a statement.

In its statement, the IASc referred to the ICMR's letter which states that "it is envisaged to launch the vaccine for public health use latest by 15th August 2020 after completion of all clinical trials".

The ICMR and Bharat Biotech India Limited, a private pharmaceutical company, are jointly developing the vaccine against the novel coronavirus -- SARS-CoV-2.

The IASc welcomes the exciting development of a candidate vaccine and wishes that the vaccine is quickly made available for public use, the statement said.

"However, as a body of scientists including many who are engaged in vaccine development IASc strongly believes that the announced timeline is unfeasible. This timeline has raised unrealistic hope and expectations in the minds of our citizens," it said.

Aiming to launch an indigenous COVID-19 vaccine by August 15, the ICMR had written to select medical institutions and hospitals to fast-track clinical trial approvals for the vaccine candidate, COVAXIN.

Experts have also cautioned against rushing the process for developing a COVID-19 vaccine and stressed that it is not in accordance with the globally accepted norms to fast-track vaccine development for diseases of pandemic potential.

The IASc said trials for a vaccine 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.

Clinical trials for a candidate vaccine require participation of healthy human volunteers. Therefore, many ethical and regulatory approvals need to be obtained prior to the initiation of the trials, it added.

The IASc said the immune responses usually take several weeks to develop and relevant data should not be collected earlier.

"Moreover, data collected in one phase must be adequately analysed before the next phase can be initiated. If the data of any phase are unacceptable then the clinical trial is required to be immediately aborted," it said.

For example, if the data collected from Phase 1 of the clinical trial show that the vaccine is not adequately safe, then Phase 2 cannot be initiated and the candidate vaccine must be discarded.

For these reasons, the Indian Academy of Sciences believes that the announced timeline is "unreasonable and without precedent", the statement 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 citizens of India," it said.

Jan 7: India’s monetary authority allowed banks to offer foreign-currency transactions outside of local market hours, a move aimed at boosting trading volumes at home.

Interbank deals, as well as those with customers in and outside India, can be undertaken by banks or their overseas branches and units at all times, the Reserve Bank of India said in a statement late Monday. It stopped short of saying whether the timing of the onshore over-the-counter market has been extended from the current 9 a.m. to 5 p.m.

The move is in line with recent recommendations to reverse the trend of the partially convertible rupee being traded more abroad than in India. London has overtaken Mumbai to become the top center for trading the rupee, adding to a sense of urgency among local authorities to deepen the onshore market.

Average daily volumes for rupee in the U.K. soared to $46.8 billion in April, a more than fivefold jump from $8.8 billion in 2016, according to a survey from the Bank for International Settlements published in September. That exceeded the $34.5 billion recorded in India.

Analysts say more trading abroad could amplify volatility in the domestic market and reduce the effectiveness of policy actions.

India’s decision comes as the London Stock Exchange Group Plc has started asking market participants if they want the bourse to function fewer hours, signaling it’s open to an argument driven by changing trading patterns and calls for a better work-life balance.