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The University of North Carolina, in Chapel Hill, United States, warned in a study that the strain of coronavirus, known as porcine acute diarrheal syndrome (SADS-CoV), which has hit the swine industry since 2016, could also spread among humans.(You may be interested: What is known and what is not about reinfections with Sars-CoV-2).
This type of porcine coronavirus was originally transmitted by bats.
The find
“It does not appear to infect humans”Said scientists from the EcoHealth Alliance, the Wuhan Institute of Virology, and other organizations that studied this swine virus in 2018.
(You may also be interested: Human lung improves by connecting to the circulatory system of pigs).
Now, in the middle of 2020 and in the middle of the pandemic that has most paralyzed the contemporary world, the University researchers assure the academic journal ‘Proceedings of the National Academy of Sciences’ (Pnas) that “efficient growth in cells primary human intestinal and pulmonary implicates SADS-CoV as a potentially higher risk emerging coronavirus pathogen that could adversely affect the global economy and human health”.
Porcine coronavirus has efficient growth in human intestinal and lung cells
(You can read: They document rare case of deafness related to covid-19).
The virus was especially deadly for younger piglets, wreaking havoc on China’s pig farming sector.
In the study, they analyzed the risk of transfer of the virus from a non-human carrier (pig) to its first human carrier, which they decided to call “patient zero.”.
The experiment was based on infecting synthetic cells to monitor how this porcine virus spreads in different types of organisms.
(Also read: USA: students would have contracted coronavirus to sell plasma).
As a result they realized that various mammalian cells are susceptible to infection, including some intestinal and lung of human origin (They replicate faster in the intestines than in the lungs).
Illustration of a coronavirus in which its protein projections that serve to adhere to cells are highlighted.
Experts note that this strain belongs to the same family that causes COVID-19 in humans, but it is an alphacoronavirus that causes gastrointestinal disease in pigs, and according to studies, it could also cause it in humans.
(Also: Mathematicians ask for quality data to improve the study of covid-19).
Gillings School (University of North Carolina) Professor of Epidemiology Ralph Baric said: “Although many researchers focus on the emerging potential of betacoronaviruses such as SARS and MERS, in reality alphacoronaviruses may be an equally important, if not greater, concern for human health, given their potential to jump rapidly between species”.
Alphacoronaviruses may be an equally important, if not greater, human health concern
(Also read: WHO study reveals which drugs do not work for covid).
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