Cad. Saúde Pública 2018; 34 (9): e00139718 then used for clinical diagnoses of patients in the public health service nationwide. The protocol for ZIKV in the state of Minas Gerais suggests that the presence of rash with itch with at least two other symptoms of the disease were already considered a condition for ZIKV notification and clinical diagnosis 9. This protocol may have lead patients presenting itching to be automatically diagnosed with ZIKV, even without serological testing.
Given the severe access limitations and the reliability of data on diagnosis and history of infection, our analysis based on self-reported history of infection does reflect interesting and revealing findings on how diverse social representations of the same disease depend on the level of experience and knowledge of the disease itself. However, because of the social psychological nature of this research, whether respondents perceive that they have had a positive ZIKV diagnosis (clinical or serological) is key.