Jakarta, CNN Indonesia —
One of the studies in China mentioned that the signs of the spread of the virus Covid-19 already occurred in the United States in September 2019.
That means Covid-19 is claimed by the study to have existed in the US before the first officially confirmed case of Covid-19 infection in Wuhan, China’s Hubei Province.
ChinaXiv is an online publishing service operated by the National Science Library, Chinese Academy of Sciences.
ChinaXiv in his article quoted from The Strait Times on Wednesday (22/9), it wasn’t just the US showing signs of the spread of Covid-19. Other countries such as Spain, France, Italy and Brazil were already showing symptoms before the outbreak in China.
The article entitled Dating The First Case Of Covid-19 Epidemic From A Probabilistic Perspective suggests that qualitative and quantitative analysis of infectious diseases be carried out.
The approach must combine mathematical models and artificial intelligence (AI) technology. Thus, the research can reveal the legal principles of epidemics of infectious diseases.
A number of researchers make models using the epidemic transmission model method and big data analysis. From that study they then concluded the date of cases in 12 US states, then compared them with the city of Wuhan, China.
The results indicate that for those 12 US states, the data for the first infection, with a 50 percent probability or probability, fell between August and October 2019.
While the earliest possible infection was April 26, 2019 in Rhode Island, while the latest was November 30, 2019 in Delaware.
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