Welcome to HCM
We understand your concerns
I went through your problem description. You are tired, you are having headache, nausea
, body pain
, resonably high fever
etc. From the look of it, it ought to be viral infectious disease. It is very difficult to diagnose without having pathological reports because, now a days we have lot of pathogenic activities and diseases.
You did a wise judgement to visit a physician. He will advice you accordingly. Meanwhile take rest, drink plenty of water and don't worry.
Hope this answers your query. Availble for further clarification.
Get well soon.