Ultrasonography and Power Doppler Studies in Chikungunya Disease: Comment on the Article by Chang et al

Need for Accurate and Consistent Definition of Chronic Chikungunya Arthritis: Comment on the Article by Chang et al

“…Finally, as Mogami et al stated, the degree of chronic joint involvement varies. It does not always indicate arthritis and can signify a wide variety of musculoskeletal disorders.…”

“…We read with interest the report by Chang et al regarding the frequency of chikungunya virus–related arthritis in Colombia . Although it was previously commented on by Mogami et al , we want to call attention to the patient enrollment process and the definition of acute and chronic chikungunya virus arthritis. Patients were recruited after a health care referral because of suspected chikungunya infection, and cases were considered confirmed if either chikungunya‐specific IgM or chikungunya–specific IgG was positive.…”