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New Delhi, Apr 16: The number of COVID-19 cases in India has reached 12,759, the Health Ministry said on Thursday.

According to the official data, India has 10,824 active cases and 1514 discharged and cured cases. Meanwhile, 420 people have died from the disease which originated in China.

Maharashtra has reported the highest number of cases in the country which stands at 2919, including 295 cured and discharged and 187 deaths.

With 1578 coronavirus cases, Delhi is in the second position of India's tally of corona infected people; followed by Tamil Nadu (1242) and Rajasthan (1023).

Kerala, which reported India's first coronavirus case, has 388 confirmed cases, including 295 cured and discharged and 187 deaths.

On the other hand, Uttar Pradesh and Haryana, that border the national capital, have 773 and 205 cases, respectively.

Chhattisgarh, Chandigarh and Pudducherry have reported 33, 21 and 7 cases respectively. While West Bengal has 231 coronavirus infected people, Odisha has confirmed 60 cases.

The newly carved union territories -- Ladakh and Jammu and Kashmir--- have 17 and 300 cases, respectively.

In the Northeast, 33 people were detected positive for COVID-19 in Assam, which is the worst-affected states in the region. Six corona cases were confirmed from Meghalaya, two each from Manipur and Tripura and one from Arunachal Pradesh. Nagaland remains free from coronavirus till date, said the Ministry.

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.