Exanthematous diseases constitute a defined surveillance entity encompassing a spectrum of viral-induced cutaneous eruptions that arise either through direct viral cytopathic effects or host immune system reactions [1]. Within public health reporting frameworks, this category functions as an aggregate classification used to group diverse parainfectious presentations sharing common dermatological features, such as disseminated macular or maculopapular lesions [1][3]. Clinical identification relies on correlating rash morphology with patient history, seasonal patterns, and systemic signs, while confirmatory testing may utilize serological, microscopic, or histopathological methods when diagnostic uncertainty persists [1][2]. As a standardized registry construct, it facilitates systematic case notification and epidemiological tracking across jurisdictions [3].
Disease overview
Exanthematous diseases
出疹性疾病
Exanthematous diseases represent an aggregate surveillance category primarily driven by viral infections that induce cutaneous manifestations through direct viral action or immune-mediated responses [1]. The condition typically manifests as disseminated macular or maculopapular rashes and is frequently associated with pathogens such as non-polio enteroviruses, respiratory viruses, Epstein-Barr virus, human herpesviruses 6 and 7, and parvovirus B19 [1][2]. While most cases follow a benign clinical trajectory, accurate classification within this surveillance framework is essential to distinguish routine presentations from potentially severe conditions requiring targeted intervention [1][2]. This construct is formally recognized in national health registries, such as Brazil’s SINAN system, to standardize notification and investigation protocols [3].
Read the full clinical and epidemiological profile2
- 1Fölster-Holst R et al. [Viral exanthem]. Hautarzt. 2004 Sep. PMID: 15316636. doi: 10.1007/s00105-004-0788-2.PubMed: https://pubmed.ncbi.nlm.nih.gov/15316636/
- 2Cherry JD et al. Viral exanthems. Curr Probl Pediatr. 1983 Apr. PMID: 6303699. doi: 10.1016/0045-9380(83)90002-6.PubMed: https://pubmed.ncbi.nlm.nih.gov/6303699/
- 3Brazil Ministry of Health SINAN. SINAN registry entity: Exanthematous diseases [Internet]. cited 3 Sept 2026.Available from: https://www.gov.br/saude/pt-br/composicao/svsa/sistemas-de-informacao/sinan
Coverage
Reporting countries and regions
Trends by reporting country
Monthly patterns over time
Data access
Page dataset index with source links and update metadata.
Official sourcesAuthority, cadence, notes1
Brazil DATASUS SINAN
Brazil
Brazil Ministry of Health DATASUS/SINAN public DBC microdata aggregated to national monthly notification counts.