The Ho Chi Minh City Center for Disease Control (HCDC) recorded 995 cases of dengue fever the week ending July 27 (week 30), an increase of 20% compared to the average of the previous 4 weeks.

The total number of dengue fever cases accumulated from the beginning of 2026 to week 30 is 23,481 cases.

Image/CDC

Dengue is a disease caused by a virus spread through mosquito bites. The disease can take up to 2 weeks to develop with illness generally lasting less than a week.

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Symptoms from dengue include fever, headache, nausea, vomiting, rash, muscle and joint pain, and minor bleeding.

Dengue can become severe within a few hours. Severe dengue is a medical emergency, usually requiring hospitalization.

In severe cases, health effects can include hemorrhage (uncontrolled bleeding), shock (seriously low blood pressure), organ failure, and death.