WHO 2009 Dengue Case Classification
WHO 2009 dengue classification: severity criteria and warning signs classify severe dengue, dengue with warning signs, or dengue without warning signs.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Severe plasma leakage
- No
- Severe bleeding
- No
- Severe organ impairment
- No
- Abdominal pain or tenderness
- Yes
- Persistent vomiting
- Yes
- Clinical fluid accumulation
- No
- Mucosal bleeding
- No
- Lethargy or restlessness
- No
- Liver enlargement > 2 cm
- No
- Rising hematocrit with rapid platelet drop
- No
Result: WHO 2009 dengue classification: dengue with warning signs.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- Severe dengue
- Severe plasma leakage/shock, severe bleeding, or severe organ impairment.
- With warning signs
- >= 1 of the seven warning signs.
- Without warning signs
- No warning signs or severity criteria. A case classification, not a treatment order.
What you enter
- Severe plasma leakage (shock or respiratory distress)
- Severe bleeding
- Severe organ impairment
- Abdominal pain or tenderness
- Persistent vomiting
- Clinical fluid accumulation
- Mucosal bleeding
- Lethargy or restlessness
- Liver enlargement > 2 cm
- Rising hematocrit with rapid platelet drop
How this is calculated
World Health Organization. Dengue: Guidelines for Diagnosis, Treatment, Prevention and Control. New edition. Geneva: WHO; 2009. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.