Talk to Neuro Physician on Demyelinating Brain Disorder

My baby born in August till December he is in well condition, after December he suffered in chest problem, in March suddenly 104 F fever, aur jatkay lagy., phr April mein measer problm, us k bd, bachy ka phly wala response nhi rha, I done CT Scan also, medicine use kar rhy hein but in vain,, apni legs py support nhi kr rha hai neck b controll nhi kr skta khud abi tk