CRP and rheumatic fever: Laboratory test availability is important, especially culture, virulence test, antibiotic sensitivity, C-reactive protein and erythrosedimentation rate.24 Because these examinations are expensive and time consuming, rapid antigen testing is a more attractive solution for Africa.25 Therefore the diagnosis of ARF relies on a high index of suspicion from health workers, a high level of awareness of the community, and laboratory criteria of recent infection or previous ARF.