Was sick with viral type illness for 2-3 weeks. felt a bit better but not completely. now getting same symptoms all over again. sepsis?

Not likely/depends,,: This isnt likely to be sepsis, at least not yet, but it depends on when it started and when it came back. If it was a few weeks between that episode and your symptoms now, it is likely to be just another viral illness. If it was right before, it is likely to be a super-imposed bacterial infection that could lead to sepsis. it would be good to see your doctor to get checked out to be sure.