China’s State Council Information Office on Wednesday issued a white paper titled “Covid-19 Prevention, Control and Origins Tracing: China’s Actions and Stance.”
Apart from preface and conclusion, the document contains three chapters: “Contributing Chinese Wisdom to the Study of the Origins of SARS-CoV-2,” “China’s Contribution to the Global Fight Against Covid-19,” and “The Mismanaged Response of the US to the Covid-19 Pandemic.”
Full text: Covid-19 Prevention, Control and Origins Tracing: China’s Actions and Stance
A number of research teams in China conducted systematic testing on more than 80,000 samples collected from bats, pangolins, wild birds, wild boars, raccoon dogs, and other wildlife, as well as livestock and poultry across the country. Sample collection spanned from 2017 to 2021, and the analyses detected no evidence of SARS-CoV-2 circulation in these animal populations. Additionally, in early 2020, scientists from the Chinese Academy of Medical Sciences screened bat species in Wuhan and its surrounding areas and found no virus genetically related to SARS-CoV-2. These findings effectively ruled out the possibility that this virus originated from local wildlife in the Wuhan vicinity.
In 2023, a paper published by the Chinese Center for Disease Control and Prevention showed that all 457 animal samples collected from the Huanan Seafood Wholesale Market in the early stage of the epidemic tested negative for SARS-CoV-2, while 74 out of 923 environmental samples from the market were positive. Genomic sequencing of three isolated viral strains revealed 99.9-100 percent genetic identity with early Covid-19 cases, indicating that viral shedding by infected individuals was the likely source of contamination in the market environment.
Source tracing of outbreaks in clusters in locations other than Wuhan between 2020 and 2022 revealed the likelihood of introduction from overseas through cold-chain transportation. ( I may have information about this at my censored site, because this definitely rings a bell!!)
On September 24, 2020, two stevedores in Qingdao, Shandong Province were diagnosed with Covid-19. The two cases had no travel history or contact with other confirmed cases. The only epidemiological link was their involvement in handling the same batch of imported frozen food products on September 19, 2020. Several samples from the outer packaging of the frozen food products tested positive for SARS-CoV-2 nucleic acids. Whole genome sequencing confirmed that the virus detected on the packaging was the source of infection for the two cases, and viable virus from the packaging was successfully isolated and cultured. This marked the world’s first successful isolation of viable SARS-CoV-2 from cold-chain food packaging, demonstrating cold-chain transportation as a transmission pathway for SARS-CoV-2.
Given that the early confirmed cases in Wuhan were concentrated in the aquatic products section of Huanan market, there is a possibility that the outbreak in the market at the end of 2019 was introduced to China from abroad via cold-chain transportation.
You can read the rest at the link provided.
3 replies on “Full text: Covid-19 Prevention, Control and Origins Tracing: China’s Actions and Stance”
Here’s one: Coronavirus has been circulating in Italy since September last year – https://web.archive.org/web/20201115164400/https://www.independent.co.uk/news/world/europe/coronavirus-italy-anitbodies-covid-study-b1723243.html
Another one: Covid-19 may not have originated in China, Oxford University expert believes – https://archive.is/2020.07.05-214614/https://www.telegraph.co.uk/news/2020/07/05/covid-19-may-not-have-originated-china-elsewhere-emerged-asia/
Hey Ms Cat
Was back at my old site and here’s another one!
https://nationalpost.com/news/world/coronavirus-silently-infecting-americans-before-first-cases-emerged-in-wuhan-cdc-study
COVID-19 was silently infecting Americans before first cases emerged in Wuhan: CDC study
Coronavirus was present in the U.S. weeks earlier than scientists and public health officials previously thought, raising questions about the pandemic origin
Testing has found COVID-19 infections in the U.S. in December 2019, according to a study, providing further evidence indicating the coronavirus was spreading globally weeks before the first cases were reported in China.
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The study published Monday identified 106 infections from 7,389 blood samples collected from donors in nine U.S. states between Dec. 13 and Jan. 17. The samples, collected by the American Red Cross, were sent to the U.S. Centers for Disease Control and Prevention for testing to detect if there were antibodies against the virus.
“The findings of this report suggest that SARS-CoV-2 infections may have been present in the U.S. in December 2019, earlier than previously recognized,” the paper said.