@leinade For some of us, that would be a rather high fever. 98.6F hasn't been "average" for nearly a century, but it's still in the books as being one.
2 degrees Fahrenheit above your body's normal temperature is considered "feverish" and a sign of infection. For me, that's 99.5F/37.5C. So yes, 37.5C can feel pretty crappy, even though I can walk through a COVID thermal scan and not trip a warning.