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BOSTON: The American city of Boston. Photo: Bill Sikes / TT NEWS AGENCY
A new study tracks 245,000 corona cases to a super-spreader event in Boston, USA.
It emerges in a new study based on DNA analysis, writes CNN.
Researchers at the Broad Institute in Massachusetts have examined the genetic fingerprints of two coronavirus variants linked to a biotechnology conference in Boston.
They then studied how these spread in the United States.
Only about 200 people attended the Biogen conference in Boston in late February. Subsequently, the company has collaborated with investigators to find out more about what happened.
According to the study published in the journal Science, one of the variants has spread from Boston to at least 18 states in the US and other countries, including Australia, Sweden and Slovakia.
WATCH THE VIDEO: Several crown cases were linked to a ceremony in the Rose Garden at the White House earlier this year.
– Superspreder
One of the genetic mutations of the virus has been named C2416.
According to the study, this variant was brought to the conference by a single person and ended up infecting 245,000 people.
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A subvariant of this, called G26233T, was eventually linked to 88,000 of these cases.
– A single case had an oversized effect on additional transmission because it was amplified by superdispersion in a highly mobile population. It happened very early in the outbreak, before many of the health measures were introduced, the researchers write.
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– Warning
According to the researchers, it is very difficult to document a super spreader event because there are so many people involved.
But CNN writes that it is possible to use genetic fingerprints.
In this study, the researchers used virus databases that detected minor changes in the virus. These are called single nucleotide polymorphisms.
“We believe this is an important warning about the consequences of over-spread, which is even more relevant as we approach the holiday season and where we deliver vaccines that may not reduce transmission,” the head of the research group told CNN. , Bronwyn MacInnis.
