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haxxiy on 25 June 2020
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Hiku said:
haxxiy said:

I can't say I've researched this in particular. But a friend of mine who got infected and survived, was told by her doctor that a second infection for her is more likely to be lethal due to the long lasting (permanent?) damage the first infection did to her body.

Here's a study about it from 2014 about this and coronaviruses that should clarify a few things: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4125530/

A noteworthy paragraph: "Follow-up studies from patients who recovered from SARS suggest that the SARS-CoV-specific antibody response is short lived. In these patients, SARS-CoV-specific IgM and IgA response lasted less than 6 months, while virus-specific IgG titer peaked four-month post-infection and markedly declined after 1 year. Despite the lack of virus-specific memory B cell response, SARS-CoV-specific memory T cells persist in SARS-recovered patients for up to 6 years post-infection."

Of course, if your doctor is telling you you should be careful, then you should be careful. I'm evidently not trying to be dismissive about it. Even seemingly innocuous infections can have consequences (adenoviruses can be particularly insidious, for instance) and more severe ones will almost always have them, at least for some time, even if you are immunologically protected against that specific infection.