@Xtinalee Does anyone know if I’m right to assume the people who usually end up in bed with flu and colds are the ones who would be harder hit with it ? Like if someone is asymptomatic it’d usually be someone who doesn’t usually get ill with flu ? Hope that makes sense
I'm not sure if I'm understanding your question completely correctly but I'll try to answer to the best of my knowledge.
People can catch flu at any age. Like the common cold, there are different strains in circulation in any given year (which is why we need a new flu vaccine each year).
I have had many colds in my life, ranging from the sniffles and a headache to being in my bed for a week.
I've only ever had the flu once and ime there are no people who "don't usually end up in bed when they have the flu". The flu is pretty horrendous. If there was £1000 lying outside my window on the street, I couldn't have got myself out of bed to get it.
When people say they had the flu but weren't completely wiped out and in bed with fever, I think they most likely had a cold.
We give vaccines because, like Covid, in some serious cases complications like pneumonia can occur. It can also trigger inflammations which in some cases can lead to sepsis or respiratory failure.
Generally we don't give vaccines to people who are in low risk groups on the NHS but you can pay like £20 to get one. Despite that many people choose not to, because unless you're elderly, pregnant, or have underlying health conditions then flu will usually clear up by itself.
So... while Covid and Flu are not the same, some of the risk factors are the same. The risk of developing a serious case of either flu or covid is higher if you are elderly or if you have underlying health conditions. Similarly, if you are young and healthy, the risk of developing a serious case of flu or covid is very low.