Since the first known cases were reported last December, scientists have raced to find the origins of the virus in the hope of developing a vaccine. In the meantime, a blame game is going on, with conspiracy theories ranging from the virus "leaking" from the Wuhan Institute of Virology to China "concealing" crucial information, despite repeated claims from scientists that it originated from nature.
CGTN spoke to Wang Yanyi (Wang), an immunologist and director of the institute, to get her take on these rumors, how she views the outbreak and the progress in cooperating with her international counterparts.
CGTN: Since the outbreak began, there has been speculation that the novel coronavirus leaked from the Wuhan Institute of Virology. How do you respond to that?
Wang: This is pure fabrication. Our institute first received the clinical sample of the unknown pneumonia on December 30 last year. After we checked the pathogen within the sample, we found it contained a new coronavirus, which is now called SARS-CoV-2. We didn't have any knowledge before that, nor had we ever encountered, researched or kept the virus. In fact, like everyone else, we didn't even know the virus existed. How could it have leaked from our lab when we never had it?
CGTN: An article published in the periodical Nature in April 2018 mentioned a novel coronavirus originating from bats. And this coronavirus was in your lab. Is this the virus that caused the pandemic?
Wang: In fact, many coronaviruses are called "novel" when they are first discovered, such as MERS (the Middle East Respiratory Syndrome), the one you mentioned and SARS-CoV-2. They were all called novel coronaviruses when they were first discovered, which may cause confusion. Actually, the virus mentioned in the 2018 article wasn't SARS-CoV-2. The virus in the article mainly causes diarrhea and death among piglets. It was later named SADS. The genome sequence of SADS is only 50 percent similar to that of SARS-CoV-2. It's a rather big difference.
CGTN: But in February, the institute published another article in Nature saying you found another novel coronavirus from bats. The similarity between this virus and the SARS-CoV-2 is up to 96.2 percent, which is relatively high. Could it be the source of the COVID-19 pandemic?
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