Molecular and Epidemiological Investigation of the Chikungunya Virus Outbreak in Rondônia State
By
Karolaine Santos Teixeira
Tárcio Peixoto Roca
Ana Maisa Passos-Silva
Edilene Pereira Pimentel
Jackson Alves da Silva Queiroz
Lourdes Maria Pinheiro Borzacov
Jansen Fernandes Medeiros
Juan Miguel Villalobos Salcedo
Deusilene Vieira
April 24, 2026
Clinical Scorecard: Molecular and Epidemiological Investigation of the Chikungunya Virus Outbreak in Rondônia State
At a Glance
Category Detail
Condition Chikungunya fever Key Mechanisms Caused by Chikungunya virus (CHIKV), transmitted by arthropod vectors. Target Population Individuals with acute febrile syndrome, aged 18-65 years. Care Setting Health units in Porto Velho and Alto Alegre dos Parecis, Rondônia, Brazil.
Key Highlights
CHIKV has been circulating in Brazil since 2014, with increasing incidence. Clinical presentation includes high fever, rash, myalgia, and polyarthralgia. No specific antiviral therapies or vaccines are currently available. Vector control remains the primary strategy for disease mitigation. The study emphasizes the need for continued surveillance in endemic regions. Guideline-Based Recommendations
Diagnosis
RT-qPCR screening for CHIKV, ZIKV, and DENV in patients with acute febrile syndrome. Management
Supportive care for symptomatic relief; no specific antiviral treatment. Monitoring & Follow-up
Ongoing surveillance for CHIKV transmission in endemic areas. Risks
Potential for chronic joint pain and significant impact on quality of life. Patient & Prescribing Data
830 individuals with acute febrile conditions, negative for malaria.
Focus on symptomatic management and vector control.
Clinical Best Practices
Implement vector control measures in endemic regions. Educate patients on recognizing symptoms and seeking timely care. Utilize laboratory confirmation for accurate diagnosis. References
