Alphavirus infection may be caused by a Sindbis virus infection, and result in a cutaneous eruption of multiple, erythematous, 4- to 4-mm papules.[1]: 403
^James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN0-7216-2921-0.