Hello, Fever 99/100  is coming to my mother in law from last 7-8 days. But in middle sometime it did not come. But no other symptoms. Only fever is there. No throat problem, no dry cough, no breathing issue, we checked her oxygen level sometime, 92, simetime 95, sometime 99. No other symptoms, she can smell, feeling hungry too. No apetite problem. Only fever.  No other sysmptoms. Attaching her blood report. Pl suggest it is viral or somethingelse. We are worried.