How the common cold can boot out Covid
The virus that causes the common cold can effectively boot the Covid virus out of the body’s cells, say researchers.
Some viruses are known to compete in order to be the one that causes an infection.
And University of Glasgow scientists say it appears cold-causing rhinovirus trumps coronavirus.
The benefits might be short-lived but rhinovirus is so widespread, they add, it could still help to suppress Covid.
Think of the cells in your nose, throat and lungs as being like a row of houses. Once a virus gets inside, it can either hold the door open to let in other viruses, or it can nail the door shut and keep its new home to itself.
Influenza is one of the most selfish viruses around, and nearly always infects alone. Others, such as adenoviruses, seem to be more up for a houseshare.
There has been much speculation about how the virus that causes Covid, known as Sars-CoV-2, would fit into the mysterious world of “virus-virus interactions”.
The challenge for scientists is that a year of social distancing has slowed the spread of all viruses and made it much harder to study.
The team at the Centre for Virus Research in Glasgow used a replica of the lining of our airways, made out of the same types of cells, and infected it with Sars-CoV-2 and rhinovirus, which is one of the most widespread infections in people, and a cause of the common cold.
If rhinovirus and Sars-CoV-2 were released at the same time, only rhinovirus is successful. If rhinovirus had a 24-hour head start then Sars-CoV-2 does not get a look in. And even when Sars-CoV-2 had 24-hours to get started, rhinovirus boots it out.
“Sars-CoV-2 never takes off, it is heavily inhibited by rhinovirus,” Dr Pablo Murcia told BBC News.
He added: “This is absolutely exciting because if you have a high prevalence of rhinovirus, it could stop new Sars-CoV-2 infections.”
Similar effects have been seen before. A large rhinovirus outbreak may have delayed the 2009 swine flu pandemic in parts of Europe.
Further experiments showed rhinovirus was triggering an immune response inside the infected cells, which blocked the ability of Sars-CoV-2 to make copies of itself.
When scientists blocked the immune response, then levels of the Covid virus were the same as if rhinovirus was not there.
‘Hard winter’ ahead
However, Covid would be able to cause an infection again once the cold had passed and the immune response calmed down.
Dr Murcia said: “Vaccination, plus hygiene measures, plus the interactions between viruses could lower the incidence of Sars-CoV-2 heavily, but the maximum effect will come from vaccination.”
Prof Lawrence Young, of Warwick Medical School, said human rhinoviruses, the most frequent cause of the common cold, were “highly transmissible”.
He added that this study suggests “that this common infection could impact the burden of Covid-19 and influence the spread of SarsCoV2, particularly over the autumn and winter months when seasonal colds are more frequent”.
Exactly how all this settles down in future winters is still unknown. Coronavirus is likely to still be around, and all the other infections that have been suppressed during the pandemic could bounce back as immunity to them wanes.
Dr Susan Hopkins, from Public Health England, has already warned of a “hard winter” as a result.
“We could see surges in flu. We could see surges in other respiratory viruses and other respiratory pathogens,” she said,
The results have been published in the Journal of Infectious Diseases.
See more here: bbc.co.uk
Header image: Getty Images
Editor’s note: As usual, this study is highly speculative but lends credence to the argument that natural immunity is a far safer bet than taking an experimental jab with untold long term side effects.
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Tom0mason
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Dr Susan Hopkins, from Public Health England, has already warned of a “hard winter” as a result.
“We could see surges in flu. We could see surges in other respiratory viruses and other respiratory pathogens,” she said
Mere sophistry!
If you are enforcing measure to make people wear face masks then “respiratory viruses and other respiratory pathogens” will increase. Excessive use of face masks make the wearer more susceptible to such infections
Again the medical establishment are trying to blame other infections for the weakened immune response that comes from being continually injected with the ‘COVID vaccine’ poisons.
Nearly as stupid as the medical establishment trying to blame so many of these injections’ adverse side effects on the new OMICRON variant, when there is no evidence what so ever that it is so.
Thus far the South African authorities have revealed that OMICRON may be LESS virulent but MORE infectious — more people catch it, fewer people with nasty symptoms.
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very old white guy
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unless of course it creates a positive PCR test, then all bets are off.
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