medicine concept: cfs on yellow brickwall .

aged architecture background backup block brick building cfs chronic concept conceptual coxsackievirus creative cytomegalovirus debilitating depletion drawing dysfunction encephalomyelitis epsteinbarr exhaustion facade fatigue fukuda futuristic gray grunge headaches hepatitis herpesvirus immune info joint malaise message modern myalgic pain paint red surface syndrome tech text texture vintage wall weakness white word