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Genuine question 16:22 - Jan 5 with 736 views

Flu do people asymptomatic with flu I'd expect it's mostly unknown because we don't test people for flu

And same question with other viruses do some people show no symptoms or is it just Covid

Genuine question on 16:32 - Jan 5 with 717 views

felixstowe_jack

I suspect very few people get asymptomatic flu.
If you get flu your symptoms are very serious for a week and are far more serious than the fairly minor symptoms of the Common cold.

[Post edited 5 Jan 2022 17:16]

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Genuine question on 16:35 - Jan 5 with 713 views

JACKMANANDBOY

One in three in this report Jim. Susceptibility is an interesting question. I met a man who's son worked on the Merthyr Covid ward throughout the pandemic and after watching people in and out of the ward he was convinced there was a genetic element to Covid susceptibility.

https://www.ncbi.nlm.nih.gov/p

	Besian Idrizaj Forever a Jack
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Genuine question on 16:43 - Jan 5 with 697 views

JACKMANANDBOY

50 percent asymptomatic in this report Jim, I assume there will be variations for a whole number of reasons including the nature of the virus and the type of immunity in the population. Introduced diseases tend to have drastic impacts on previously unexposed populations.

https://www.centerforhealthsec

[Post edited 5 Jan 2022 16:47]

	Besian Idrizaj Forever a Jack
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Genuine question on 16:47 - Jan 5 with 687 views

theloneranger

"What is 'flurona'?" ...

https://www.mirror.co.uk/news/

Everyday above ground ... Is a good day! ðŸ˜Ž

Genuine question on 17:11 - Jan 5 with 667 views

Professor

Genuine question on 16:43 - Jan 5 by JACKMANANDBOY
50 percent asymptomatic in this report Jim, I assume there will be variations for a whole number of reasons including the nature of the virus and the type of immunity in the population. Introduced diseases tend to have drastic impacts on previously unexposed populations. https://www.centerforhealthsec [Post edited 5 Jan 2022 16:47]

Absolutely correct. Influenza is a lot more variable than coronaviruses-there are over 120 serotypes of influenza A alone-and each serotype has almost infinite variants. Each may differ in virulence, though serotypes tend to be pretty species specific.

You can see this with the H5N1 avian influenza outbreak in the UK currently-its a nasty variant causing a lot of problems for poultry farmers. Other avian influenza types case mild disease. With selective and inbreeding its much easier to track genetic linkages which are made easier by a bit less variation (or polymorphism) in the main receptors of the avian immune system.

Harder to track in people (though getting easier) but historically closed and more inbred populations often showed susceptibility to new infections both due to genetics (no selection against the disease) and lack of prior immunity.

Co-infections also play a big part-some pathogens have a synergistic effect.

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