CDC alerts about dengue fever threat: Know the symptoms and preventive measures

The CDC has issued a warning about the rise of dengue fever in some US territories, including popular tourist spots, coinciding with the peak season for dengue. Travelers are urged to take preventive measures and be aware of the symptoms, treatment, and prevention methods to stay safe.
CDC alerts about dengue fever threat: Know the symptoms and preventive measures

With the spring break here, the US Centers for Disease Control (CDC) has issued a warning about the rise of dengue fever, in some parts including popular tourist spots including the US territories of Puerto Rico and the US Virgin Islands. As the spring and summer travel coincides with the peak season for dengue in many countries, there is an increased risk of both travel-associated and locally acquired cases in the United States. The agency has urged healthcare providers, public health departments, and the public to continue to take steps to prevent, detect, diagnose, and respond to dengue.
The transmission 'remains high', and other territories, where dengue fever rates could spike include, American Samoa, the Federated States of Micronesia, the Republic of Marshall Islands, and the Republic of Palau. In an update on Mar. 10, the CDC said that locally acquired dengue cases have been detected in Florida, Texas, Hawaii, Arizona, and California. They noted that large outbreaks of dengue can raise the risk of infection among US travelers. With more travel-related cases and the presence of dengue-spreading mosquitoes in certain parts of the United States, small outbreaks may occur.
In 2024, a 'record number' of dengue fever cases (3,484) were reported among US travelers, which is an 84 spike compared to the year before. “This trend is expected to continue with increased dengue activity in endemic areas in 2025,” the warning from the CDC reads.
As the CDC has warned about a potential spoke of dengue fever this year, it is important to know about the disease, symptoms, treatment, and prevention, to keep you and your loved ones safe, and prevent the spread.
What is dengue fever?
DENGUE

Dengue also known as break-bone fever is a viral infection that spreads from Ades mosquitoes to people, according to WHO. This mosquito-borne disease is caused by four different but closely related dengue virus types: dengue-1, dengue-2, dengue-3, and dengue-4. It is more common in tropical and subtropical climates.
What are the symptoms of dengue fever?
According to the CDC, the most common dengue symptom is fever along with:
dengue symptom
(Pic courtesy: CDC)

  • Aches and pains (eye pain, typically behind the eyes, muscle, joint, or bone pain)
  • Nausea, vomiting
  • Rash
  • Any warning sign
Mild symptoms of dengue can often be confused with other illnesses that cause fever. The symptoms usually last for 2-7 days. Most recover after about a week.
What are the warnings of severe dengue fever?
DENGUE

  • Belly pain, tenderness
  • Vomiting (at least 3 times in 24 hours)
  • Bleeding from the nose or gums
  • Vomiting blood, or blood in the stool
  • Feeling tired, restless, or irritable
Seek immediate medical attention in such cases.
How does dengue fever spread?
  • Through mosquito bites.
  • From pregnant women to fetus.
  • Through breast milk.
  • Rarely by healthcare setting exposures through blood transfusions, organ transplants, or needlestick injuries.
  • Some evidence suggests the through sexual contact.
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How to prevent dengue fever?
  • Prevent mosquito bites (Use mosquito repellent and also take steps to control mosquitoes in and around your home).
  • Know about the place you are traveling to.
  • According to the CDC, a dengue vaccine is approved for use in children aged 9–16 years with laboratory-confirmed previous dengue virus infection and living in areas where dengue is endemic.
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What is the treatment for dengue fever?
According to the health agency, there is no specific medicine to treat dengue. The symptoms are treated. Acetaminophen is provided to control fever and relieve pain.
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