Mosquitoes are a blood-sucking insect that carries the dangerous dengue fever. For those who live in rural areas or among rice fields where mosquitoes are prevalent, it is essential to learn how to repel these insects to protect yourself from disease.
Recently, there has been some buzz about mosquito-repelling apps and their effectiveness. But do they really work?
1 What are mosquito-repelling apps, and how do they work?
Mosquito-repelling apps are applications created by tech experts and designed to run on smartphones. When activated, these apps emit a range of ultrasonic frequencies that mimic the sounds made by bats and dragonflies (both natural predators of mosquitoes), which are meant to repel the insects.
Here are a couple of mosquito-repelling apps you can try:
– Mosquito Sound by Rancic Development, available for free on CH Play.
– “Mosquito Repellent” free on App Store by RETICODE SC.
How do they work?
These apps emit ultrasonic frequencies ranging from 15 to 22kHz, which disrupts mosquitoes without affecting humans. The phone’s speaker is used to emit these ultrasonic waves, creating an uncomfortable environment for the mosquitoes.
For more information: Check out these simple and effective mosquito-repelling solutions
2 Are mosquitoes affected by these ultrasonic waves?
According to a publication by the US National Library of Medicine, mosquito biting rates increased when exposed to ultrasonic waves. At frequencies of 9-18kHz, the number of bites increased by 20-50%, and at 11kHz, the rate soared even higher.
Professor Bui Cong Hien from the University of Natural Sciences, Vietnam National University, Hanoi, shares a similar sentiment: “There is no scientific basis or research to support the effectiveness of mosquito-repelling apps. As different species of mosquitoes have different frequencies, an app would need to be specifically tailored to target each type of mosquito.”
Furthermore, as ultrasonic waves cannot be perceived by the human ear, it is challenging to determine the exact frequency emitted by these apps. While these ultrasonic waves are not harmful to human health, they can cause discomfort due to the high-frequency sound they produce.
In a series of experiments, researchers placed their arms inside a glass box filled with hundreds of mosquitoes while a phone with a mosquito-repelling app played ultrasonic frequencies. The results were disappointing, as the mosquitoes remained unaffected by the sound waves.
A scientific report published in 2010 concluded that “electronic mosquito repellents using ultrasonic waves are ineffective in preventing mosquito bites.” It’s important to remember that advertising often relies on principles that may not translate into real-world effectiveness.
3 Conclusion
Using mosquito-repelling apps on your phone is not a viable solution to the problem. To protect yourself from mosquito bites, consider the following alternatives: use mosquito repellent creams, wear long-sleeved clothing, use mosquito nets while sleeping, or opt for natural repellents like citronella plants or essential oils.
By providing this information, we hope to empower you with knowledge about mosquito-repelling methods and encourage you to take proactive measures to protect yourself from mosquito-borne diseases.
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