“…1 When it is symptomatic, the infection may present low fever (or, possibly, no fever), macula-papular exanthema, arthralgia, myalgia, headache, conjunctival hyperemia and, less frequently, edema, odynophagia, dry cough and gastrointestinal alterations. Severe and atypical forms are rare, but, when they occur, they may exceptionally evolve to death.…”