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In December last year, Chinese scientists sparked a new controversy about the origin of the new coronavirus (Kavid-19) that spread to Wuhan, China. They claim that the source of the virus may be India or Bangladesh. And they fear that the new coronavirus may have spread in the world from either of these two countries.
This was claimed in a report by The Sun, a UK-based media outlet, citing a study by researchers from the Shanghai Institute of Biological Sciences. Chinese researchers claim that the virus existed in the Indian subcontinent even before the outbreak (in December last year). However, they have a debate about this theory.
The Chinese government’s Institute of Epidemiology, Disease Control and Research (IEDCR) has denied such claims by Chinese scientists. Said the scientific director of the organization. ASM Alamgir told Kaler Kantha: “This is false information. It does not contain scientific data. This is not a study. There may be other reasons behind this.
The paper, titled The Early Cryptic Transmission and Evolution of SARS-COV-2 in Human Hosts, challenges the general orthodoxy of scientists. Chinese scientists are challenging the theory that the virus originated from a market in Wuhan. The study was published on November 18 on the Lancet medical journal’s ‘prepress platform’ SSRN.com. According to the Sun report, they have obtained this result by investigating the corona type in 16 countries.
However, the Sun reports that the results of the study have not yet been published in the Lancet Journal. With that this study has not yet been reviewed. Therefore, these results should not be considered a final decision.
Chinese researcher Dr. The study, led by Shane Leibing, claimed that conventional methods of finding the source of the coronavirus had not worked. This is because it was used several years ago in the case of the “bat virus” discovered in Yunnan province in southwestern China. Scientists use hereditary references to examine the evolutionary history of the virus. However, the bat virus is not a pre-existing virus in the human body. In the research article, the researchers say, it is difficult for scientists to identify the source of the epidemic. They then used a new method to calculate the number of changes in each ‘viral strain’.
The study claims that less modified “strains” have been found in quads throughout Australia, Bangladesh, Greece, the United States, Russia, Italy and the Czech Republic. Citing India and Bangladesh, the study claims that the first outbreak should have the highest genetic diversity.
According to Chinese researchers, India’s young population, extreme weather and drought have created the necessary conditions for the virus to enter the human body. “Our results show that Uhan is not the site of the first person-to-person transmission of SARS-COV-2,” they said. Both the geographic data on the slightly modified ‘strain’ and the diversity of the ‘strain’ suggest that the Indian subcontinent may be the site of person-to-person transmission of SARS-COV-2, they added. It took three or four months before it spread to Uhan.
Meanwhile, Indian scientists have questioned the results of the Shanghai study. Indian virologist Mukesh Tagore called it a ‘misinterpretation’.
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