disease has inflammation site disease has infectious agent viral infectious disease infectious disease viral myositis https://www.malacards.org/card/viral_myositis MedDRA:10051512 icd11.foundation:864399177 SCTID:240105009 MONDO:0016126 UMLS:C0150005 ICD9:729.1 Orphanet:206991 GARD:0020377 MEDGEN:508472 myositis disease Viruses muscle tissue