Rising Dengue Cases: Understanding the New Hotspots and How to Prevent Their Spread

The resurgence of dengue fever outbreaks in 2024 has raised questions about why it is appearing in new areas and what can be done to prevent and treat it. As the fight against dengue continues, it is essential for healthcare professionals and the public to stay informed and take necessary precautions to prevent the spread of this potentially life-threatening disease. Dr. Raman Velayudhan addressed these concerns during a recent interview with Vismita Gupta-Smith on the WHO Science in 5 show, providing valuable insights on the topic.

According to the World Health Organization, dengue has become endemic in many countries in South America, Central America, and the Caribbean. In the United States, states like Florida and Puerto Rico have reported cases of both locally acquired and travel-related dengue in 2024. Although there is an approved dengue vaccine available in the U.S., access to it may require pre-admission testing.

In 2023, there were over 5 million cases of dengue fever reported worldwide, resulting in more than 5,000 deaths. This alarming statistics have put a spotlight on the mosquito-transmitted disease, prompting health officials to closely monitor its progress.

During her interview with Dr. Velayudhan on WHO Science in 5 show, Vismita Gupta-Smith asked about why dengue fever outbreaks are becoming more frequent in new areas.

“One reason for this could be climate change,” said Dr. Velayudhan. “Warmer temperatures can provide a longer window for mosquitoes to breed and transmit diseases like dengue.”

Another factor that may contribute to the spread of dengue fever is global travel,” added Dr. Velayudhan.

“People today are traveling more frequently than ever before,” he explained. “And when they return from high-risk areas where dengue is endemic, they can unknowingly carry the virus back home.”

To prevent dengue fever outbreaks from spreading further, healthcare professionals recommend taking necessary precautions such as wearing long sleeves and pants while outdoors at dawn or twilight when mosquitoes are most active.

It’s also important for people to avoid standing water where mosquitoes can breed, especially around homes and businesses.

Finally, healthcare providers recommend that anyone who has traveled to high-risk areas get tested for dengue fever if they develop symptoms such as fever or joint pain within two weeks after returning home.