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Yes, but which of the 200 viruses causing the common cold are you talking about? Coronaviruses, rhinoviruses, adenoviruses, etc. Usually your immune system kicks each of them into the long grass and then along comes another one that you haven't met yet. I would suggest that getting exactly the same infection twice in a short time period just doesn't happen.It’s quite a difference to have a cold two or three times a winter or having COVID 19 multiple times.
Define "a short time period". There are cases of reinfection with the same corona virus after an 80 day period - which is one of the main reasons why more conservative scientists are less enthusiastic about immunity and vaccines. There is, quite simply, insufficient data on this virus to make confident long term predictions.Yes, but which of the 200 viruses causing the common cold are you talking about? Coronaviruses, rhinoviruses, adenoviruses, etc. Usually your immune system kicks each of them into the long grass and then along comes another one that you haven't met yet. I would suggest that getting exactly the same infection twice in a short time period just doesn't happen.
Nominally, years. Where have you got the reinfection information from? The only item I could find is the S.Korean result, subsequently retracted as the methods used were amplifying residual virus RNA.Define "a short time period". There are cases of reinfection with the same corona virus after an 80 day period - which is one of the main reasons why more conservative scientists are less enthusiastic about immunity and vaccines. There is, quite simply, insufficient data on this virus to make confident long term predictions.
Try this for my simplified version:@SteveAWOL
Could you please try to explain this to me. I’m a little confused, if there is preexisting immunity, why are old people less protected although they have been exposed to hundreds of colds while young children only had a handful of colds but seem to be quite resistant.
Usako, hope you haven't got anything nasty. Get a test!Thanks for the hint. I’m pretty unwell and tired today. Sorry for referring to the wrong person, no disrespect intended.
@SteveAWOL
Could you please try to explain this to me. I’m a little confused, if there is preexisting immunity, why are old people less protected although they have been exposed to hundreds of colds while young children only had a handful of colds but seem to be quite resistant.
He has a sketchy reputation. Dishonestly claimed for years to be Professor of Oncology at Imperial College until they took legal action against him. Was one of the doctors hired by Libya to assess bomber Megrahi's cancer condition as imminent terminal, three months to live. Hired by the US Republicans to crap on Obama's healthcare reforms using fabricated data. He's basically a right-leaning science gobshite for hire when the usual political gobshites won't seem as credible. Often appear to be business conflicts too.misquoted by many including Prof Sikora