Unlike other infectious diseases, dengue virus is not transmitted through casual contact like coughing or sneezing. Dengue spreads through the bite of a female Aedes mosquito from one person to the next.
Infected individuals serve as a source of the virus by infected Aedes aegypti and Aedes albopictus mosquitoes which carry the virus to the next victim.1 Infected mosquitoes pass the virus to healthy individuals through injecting the virus into their bloodstream.2 An infected mosquito may infect more than one individual in its lifetime.2
Although it is rare for dengue to spread from human to human without a mosquito, pregnant women infected with dengue may pass the virus to their fetus during pregnancy or around the time of birth, potentially harming their newborn.1,3
As dengue fever is not directly contagious between individuals, the primary focus in preventing its spread lies in controlling the mosquito population. Here are some key preventive measures that you may consider to keep dengue at bay4:
- Eliminate mosquito breeding sites: Mosquitoes that carry the dengue virus breed in standing water. Regularly emptying and cleaning containers that collect water, such as flowerpots, gutters, and bird baths, can significantly reduce mosquito breeding sites.
- Use mosquito repellent: Applying mosquito repellent on exposed skin and clothing can help deter mosquitoes from biting.
- Wear protective clothing: Wearing long sleeves, pants, and socks provides an additional barrier against mosquito bites, especially during peak mosquito activity times.
- Install screens: Use window and door screens to prevent mosquitoes from entering your home.
- Seek medical attention: If you suspect you have dengue fever, seek medical attention promptly. Early detection and appropriate medical care can help manage the symptoms and prevent complications.
- Talk to your doctor about dengue vaccination: If you are considering dengue vaccination for yourself or loved ones, consult your doctor.
