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The virus was transmitted to the mink of humans.
Following the detection of a new strain of the Corona virus that can be transmitted to humans on farms to raise “minks” in Denmark, more than two thousand people were infected, according to reports that also spoke of the slaughter of millions of “minks” in Denmark.
A blanket lockdown was imposed on a part of Denmark after authorities were convinced that the observed genetic changes may undermine the effectiveness of any future Covid-19 vaccines.
The World Health Organization said it was too early to draw conclusions.
“We need to wait to see the developments, and I don’t think we have to come to conclusions about whether these mutations in the virus will affect the effectiveness of any upcoming vaccines,” said the organization’s chief scientist named Swaminathan.
The Corona virus has mutations, like all viruses, and there is no evidence that the mutation detected in Denmark poses a greater danger to humans.
The source of concern for Danish scientists is a pattern of mutations detected in 12 people who they say are less affected by antibodies to the virus, raising concerns about the next vaccine.
The UK imposed an immediate ban on visitors to Denmark, amid fears of a new mutation of the virus.
An epidemiologist from the French Research Institute, “Siraad”, Dr. Marisa Bear The latest development is cause for concern, but the overall picture is still unclear.
He added: “Every time the virus spreads between animals, changes occur in it and it becomes significantly different from the spread of the virus between humans, which means that any vaccine or treatment that may be found in the near future may not. be as effective as it should be. “
This development seems strange: a virus that originally came from an animal (perhaps a bat) that jumped to humans, possibly through an unknown host animal, and caused an epidemic.
The virus was transmitted from “mink” animals kept in large groups on private farms by people, and in a limited number of cases, the virus was transmitted to humans after undergoing genetic changes.
Some genetic changes are reported to affect the protein of the virus that some vaccines target.
“If the change occurs in the protein that vaccines target to trigger reactions in a person, this means that the vaccine will not be effective,” Dr Bear told the BBC.
More than 50 million “you” are produced each year for their fur, mainly in China, Denmark and Poland. There have been reports of the spread of the infection in fur farms in the Netherlands, Denmark, Spain, Sweden, Italy and the United States, with millions of animals slaughtered as a result.
Mink animals, like animals that resemble them, are susceptible to infection with the coronavirus and present different symptoms like humans, the severity of which varies between the total absence of symptoms of the disease and dangerous symptoms such as pneumonia.
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The mink is infected with respiratory viruses.
Scientists suspect that the virus is transmitted from mink through contaminated droplets, through food or dust carrying contaminated droplets.
The virus was transmitted to mink animals through humans, but genetic investigations showed that in a limited number of cases the virus passed from mink to humans again, and this requires control over other wildlife and pets exposed to transmission. of the infection, said Duane Santini of the University College of London.
“Mink is the extreme case, but infection can occur with other animals without our realizing it, so we must monitor the situation,” Santini said in an interview with BBC News. “What we know is that the virus is transmitted from humans to mink. The mink is infected with the virus and can spread it and reach … the end of humans.”
Scientists in Denmark are conducting genetic research on mink-related viral strains and plan to make the results of their research available to other scientists to pursue the matter.
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Millions of minks were executed in Denmark
“We need to find mutations and know their role in the transmission of the virus and the degree of its ability to transmit the infection. If it turns out to be variable and more capable of transmitting the infection or capable of being transmitted through a greater number of creatures, the situation It will be scary, but we still don’t know what the situation is, “he said. Professor Santini.
Some scientists called for new restrictions on mink animal husbandry, saying that mink farms limit our ability to deal with and eliminate the epidemic.
Three scientists from China, Denmark and Malaysia wrote to the journal “Science” that controlling mink, imposing restrictions and banning it if possible has become urgent.
