From: slider@anashram.com

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.

https://www.bbc.co.uk/news/health-56483445

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.

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.

### - a curious little emerging fact that huh, one with potentially useful applications! although oddly enough due to the lockdowns, people regularly washing their hands + everyone wearing masks, social distancing and all
the extra hygiene involved because of covid spread over a whole year,
colds and flu have almost completely disappeared??

can't help wondering for example how effective that would still be if
someone was already infected with covid and in the later stages of it,
could it save someone already on a ventilator for example...

and would it also work on something like ebola and other dangerous
diseases too?

potentially then a radically different approach/treatment altogether for pandemics??

i.e., at the first sign of any serious pandemic lock 'em all down for a
month and then give everyone a rotten cold and encourage them all to
socially interact in order to spread it all around LOL :)))

and because one thing we can be sure of is that covid isn't the last
pandemic we'll ever see!

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