<unk>  is a general term for inflammation of the muscles.  Many such conditions are considered likely to be caused by autoimmune conditions, rather than directly due to infection (although autoimmune conditions can be activated or exacerbated by infections.)
Elevation of creatine kinase (CK) in blood is indicative of<unk> . The MM and not the MB or BB fraction of the CK will be elevated.
Myositis
Myopathy
Serositis
Arthralgia
Peripheral neuropathy
Radiculopathy
Encephalopathy
Leukopenia