I think there's something in-between though.
I have been sick for 1.5 weeks (which is an extreme time for me by itself), afterwards I did not feel quite normal and got right back to being sick just after a few days, progressively getting worse. After another 1.5 weeks, I almost felt normal, only super-tired, I got to rest all day, only to wake up in the night feeling sick again. Another 5 days went by, to get back to the point where I feel tired but not sick and again, I went back to feeling generally unwell, although it may be better than the last time. It goes for 4 weeks now.
Most recently, I woke up, felt sick right there in the morning, feeling like I should rest rather than work but with great mental exertion I overrode it and carried a full day, with little to no rest, every minute pushing against that feeling and doing some light exercise too. At the end of the day, I felt like I did not sleep the entire night and as I went to sleep, I slept like a stone. The day after I got that tiredness feeling without feeling sick I wrote about earlier - which felt like progress.
I don't have extreme tiredness like you describe, but something is clearly wrong and it cut my weekly work capacity by half. I never had something like. I also have been hearing about friends of friends also feeling unwell for 1 month or 2 months.
I have been sick for 1.5 weeks (which is an extreme time for me by itself), afterwards I did not feel quite normal and got right back to being sick just after a few days, progressively getting worse. After another 1.5 weeks, I almost felt normal, only super-tired, I got to rest all day, only to wake up in the night feeling sick again. Another 5 days went by, to get back to the point where I feel tired but not sick and again, I went back to feeling generally unwell, although it may be better than the last time. It goes for 4 weeks now.
Most recently, I woke up, felt sick right there in the morning, feeling like I should rest rather than work but with great mental exertion I overrode it and carried a full day, with little to no rest, every minute pushing against that feeling and doing some light exercise too. At the end of the day, I felt like I did not sleep the entire night and as I went to sleep, I slept like a stone. The day after I got that tiredness feeling without feeling sick I wrote about earlier - which felt like progress.
I don't have extreme tiredness like you describe, but something is clearly wrong and it cut my weekly work capacity by half. I never had something like. I also have been hearing about friends of friends also feeling unwell for 1 month or 2 months.