Posibleng Mga Sanhi para sa Low Fever Upper Respiratory Infection COVID-19 Malalang Sinusitis Trangkaso Chronic na Obstructive Pulmonary Disease Infectious Mononucleosis Chronic na Fatigue Syndrome Inflammatory Bowel Disease Type 1 Lyme Disease Mycoplasma Pneumonia Malalang Myelocytic Leukemia Hodgkin Lymphoma Philadelphia Chromosome Positive Chronic Myeloid Leukemia Pediatric Ulcerative Colitis Chronic na Myeloid Leukemia B Acute Lymphoblastic Leukemia Varicella Erythropoietic Protoporphyria Brucellosis Rubella Anthrax Chronic na Hepatitis Chorioamnionitis Respiratory Syncytial Virus na Impeksyon Nana sa Palad Chronic na Impeksyon Chronic na Pananakit Chronic na Araw-araw na Pananakit ng Ulo Sakit sa Bayag HIV na Impeksyon