Scientists said that the pathogen COVID-19 has a genetic trace that has never been seen in natural coronavirus.
The authors of the article, M.D. Stephen Quay and UCLA professor Richard Mueller, proposed to consider the genetic trace of SARS-CoV-2, which is not observed in natural coronavirus.
The authors in a new work have demonstrated that they can significantly increase the lethality of coronavirus by inserting a special sequence into its genome in the most appropriate place, the article says.
At the same time, there are no traces of manipulations, despite the fact that they change the structure of the virus, allowing it to more easily introduce genetic material into the victim cell.
In fact, in the whole class of coronaviruses, including CoV-2, such a CGG-CGG combination has never been identified in the wild. This means that the usual method of acquiring new skills by viruses, called recombination, is not applicable here. A virus simply cannot take over such a sequence from another virus if no other virus possesses it.
Quay and Müller argue that the Wuhan lab was known for conducting “functional enhancement” studies in which scientists “deliberately overloaded viruses to increase mortality.”