what are the signs and symptoms of mono?
['Fatigue.', "Sore throat, perhaps misdiagnosed as strep throat, that doesn't get better after treatment with antibiotics.", 'Fever.', 'Swollen lymph nodes in your neck and armpits.', 'Swollen tonsils.', 'Headache.', 'Skin rash.', 'Soft, swollen spleen.']