The purpose of this document is to present concise information on the current case definitions for dengue, chikungunya, and Zika proposed by PAHO, as well as information on the clinical phases and severity classification of dengue and chikungunya.
Between epidemiological weeks (EW) 1 and 22 of 2024, a total of 9,541,015 suspected cases of dengue were reported, resulting in a cumulative incidence of 1,011 per 100,000 population. This represents an increase of 230% compared to the same period in 2023 and 421% compared to the average of the last... 5 years. Figure 1 shows the trend of suspected dengue cases as of EW 22.
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This toolkit is a comprehensive set of practical tools and resources designed to support country-level risk communication and community engagement (RCCE) practitioners, decision-makers, and partners to plan and implement readiness and response activities for dengue fever outbreaks. The toolkit conta...ins: information about dengue fever; RCCE considerations for how to approach key issues during dengue fever outbreaks; tools for understanding the context in which dengue fever outbreaks occur; methods for collecting data to inform strategy development and bring evidence into planning and implementation of activities; guidance to support vector control and prevention activities; case studies; and links to existing RCCE tools and training. It is one of a suite of toolkits on RCCE readiness and response to a range of disease and response areas.
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ver the past 15 years, dengue fever, an endemic disease in the country, has triggered significant epidemics in 2010, 2019, and most recently in 2023. This year, due to the escalating number of reported cases, the Secretariat of Health (SESAL) issued an epidemiological alert in February. By March, th...e incidence of cases had escalated to epidemic proportions.
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A person who lives in or has traveled in the previous 14 days to areas with dengue transmission, and presents with acute fever that has typically lasted 2 to 7 days, and two or more of the following clinical manifestations: nausea or vomiting, exanthema, headache or retro-orbital pain, myalgia or ar...thralgia, petechiae or positive tourniquet test (+), leukopenia, with or without any warning sign or sign of severity. A suspected case is also considered to be any child who resides in or has traveled in the previous 14 days to an area with dengue transmission that presents acute febrile symptoms, usually for 2 to 7 days, without an apparent focus.
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Prevention recommendations at home. PREVENT dengue, chikungunya and Zika by eliminating mosquito breeding sites and protecting yourself from mosquito bites.
Aide-mémoire - Chikungunya
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Poster on the warning signs of dengue severity. Many people with dengue can be cared for at home with adequate rest and hydration. But go immediately to the nearest medical center if you live in a dengue-prone area, and a few days after getting sick with fever, you experience: a drop in body tempera...ture, accompanied by Intense abdominal pain, restlessness, bleeding gums, fatigue, drowsiness, blood in vomit, and persistent vomiting.
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Conozca la presentación clínica y la clasificación del dengue.
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Dengue is a mosquito-borne viral infection causing a severe flu-like illness and, sometimes causing a potentially lethal complication called severe dengue. The incidence of dengue has increased 30-fold over the last 50 years. Up to 50-100 million infections are ...now estimated to occur annually in over 100 endemic countries, putting almost half of the world’s population at risk.
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Dengue, Dengue virus, dengue hemorrhagic fever, dengue fever, flavivirus, Aedes mosquitoes, DHF, DF, DSS
This facilitator’s manual is designed to support the implementation of the Dengue Clinical Management training course. The guide contains specific instructions for the facilitator and provides:
- a detailed description of the clinical course of dengue illness, which reflects the dynamic and sys...temic nature of dengue that has crucial bearing on the patient’s management;
- a detailed description of the basic pathophysiological changes of severe dengue (i.e. plasma leakage and hypovolaemia/shock) and guidance on the recognition of these changes and appropriate action of management;
- a brief discussion on WHO classification (1997) and its limitations;
- guidance on the differential diagnoses that can be confused with dengue or vice versa; they were described according to the stage of disease;
- a more focused guide on the disease monitoring in accordance with the dynamic changes as the disease progresses;
- emphasis on the importance of monitoring the plasma leakage (haemodynamic status of the patient, clinical signs of plasma leakage and haematocrit);
- a clearer algorithm for fluid management in cases of severe dengue; and
- emphasis on the importance of recognizing or suspecting significant occult bleed. Keep the facilitator’s manual with you each day as you prepare and deliver the information. Use it as a reference when delivering classroom presentations, but avoid reading directly from it during sessions.
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Learn about dengue clinical presentation and classification.
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Learn about dengue diagnosis and testing guidance.
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Learn how to protect your pregnancy from dengue.
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Learn how patients can prevent dengue.
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Learn about dengue virus infection symptoms and treatment.
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Dengue testing guidance according to days of symptom onset.