The novel coronavirus (SARS-CoV-2) has contaminated greater than 210,000 since its discovery final November. As a result of the virus has by no means been seen earlier than in people, there is no such thing as a identified remedy and it has killed greater than 8,000 individuals.
Scientists have identified of human coronaviruses because the 1960s however solely seven have been found, together with SARS-CoV, MERS-CoV and SARS-CoV-2.
Virologists speculate many extra undiscovered strains are carried by wild animals however one scientist has gone even additional together with his theories.
In accordance with Chandra Wickramasinghe, an astrobiologist on the Buckingham Centre for Astrobiology, the coronavirus got here to us from area.
Professor Wickramasinghe has alleged the virus was dispersed over China, the pandemic’s epicentre, when a meteor fell in the direction of Earth in October.
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The astrobiologist informed Specific.co.uk in February: “The sudden outbreak of a brand new coronavirus could be very prone to have an area connection.”
The concept isn’t novel and is understood in astronomy as panspermia – the idea life is being unfold throughout the universe on fast-moving asteroids and comets.
Some scientists even speculate life on Earth was kick-started when a rock carrying the required constructing blocks crashed into our homeworld.
However the “extraordinary” claims about coronavirus have been challenged by one other scientist who thinks it could be bodily unattainable for the virus to outlive on an area rock.
Astrobiologist Graham Lau, who hosts NASA’s Ask an Astrobiologist sequence, informed Area.com the idea is unlikely.
He mentioned: “It is a type of instances the place extraordinary claims require extraordinary proof.
Extraordinary claims require extraordinary proof
“Despite the fact that it is an fascinating thought, we simply haven’t any motive to embrace that concept proper now.
“I feel it is vital for scientists to level out pseudoscientists or unhealthy science.
“If this was actual, it might be nice however we simply cannot permit ourselves to leap to the feel-good conclusion with out doing our due diligence as scientists.”
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Though there is no such thing as a proof to counsel the coronavirus got here from area, there’s a lot to indicate it originated right here on Earth.
Coronaviruses are a household of zoonotic pathogens that have an effect on each people and animals alike.
Some coronaviruses have an effect on people however our information of those threats continues to be restricted.
The identified human coronaviruses are 229E, NL63, OC43, HKU1, MERS-CoV, SARS-CoV and SARS-CoV-2.
The primary 4 viruses are the commonest and generally infect individuals across the globe.
The remaining three are far more harmful and have been identified to contaminate prior to now by contact with contaminated animals.
In 2002, as an illustration, an outbreak of SARS is believed to have originated in bats and Asian civet cats.
Mr Lau mentioned: “If this factor had some completely different form of biomolecule in it that is completely different from life as we all know it.”
Chinese language authorities have lately traced the primary SARS-CoV-2 an infection on November 17, 2019, to a 55-year-old from Hubei Province.