World Mosquito Day – August 20: History, Theme, Facts & Quotes

As the sweltering heat of summer begins to wane, the world gears up to commemorate an unusual yet crucial occasion – World Mosquito Day. Every year, on August 20, this observance serves as a poignant reminder of the remarkable strides made in understanding mosquito-borne diseases and the ongoing efforts to mitigate their impact. 

World Mosquito Day, observed annually on August 20, is not your typical global observance. It’s a day that brings together scientists, health organizations, and communities worldwide to raise awareness about the perils of mosquito-borne diseases and to celebrate the progress made in combatting them.

History of World Mosquito Day

World Mosquito Day is observed annually on August 20 to commemorate the discovery of the link between mosquitoes and malaria by British doctor Sir Ronald Ross in 1897. Malaria is a mosquito-borne disease caused by a parasite called Plasmodium. It is a serious and sometimes fatal illness that affects millions of people around the world, mostly in Africa.

Ross was working as a surgeon in India when he conducted experiments that showed that mosquitoes transmit malaria. He identified the parasite in the mosquito’s gut after it had fed on an infected person. This discovery led to the development of effective methods for preventing and treating malaria.

World Mosquito Day is celebrated to raise awareness about malaria and to promote methods for preventing its spread. It is also a day to honor the work of Sir Ronald Ross and other scientists who have contributed to the fight against malaria.

World Mosquito Day Theme 2023

The theme for World Mosquito Day 2023 is “Zero Malaria Starts with Me“. This theme highlights the importance of individual action in preventing malaria. Everyone can play a role in reducing the spread of malaria by taking steps such as using insect repellent, sleeping under mosquito nets, and draining standing water.

The Discovery of the Mosquito’s Role

The connection between mosquitoes and disease was not always understood. It wasn’t until the late 19th century that Sir Ronald Ross, a British medical doctor, made a groundbreaking discovery that would change the course of medical history.

Sir Ronald Ross and His Nobel Prize

In 1902, Sir Ronald Ross was awarded the Nobel Prize in Physiology or Medicine for his pioneering work on the transmission of malaria by mosquitoes. His research laid the foundation for our understanding of how mosquitoes spread deadly diseases.

Mosquito-Borne Diseases: A Global Concern

Mosquitoes are not merely a nuisance; they are carriers of some of the deadliest diseases known to humankind. Malaria, dengue fever, Zika virus, and yellow fever are just a few examples of the many diseases transmitted by these tiny, buzzing insects.

Advancements in Mosquito Control

Over the years, considerable progress has been made in controlling mosquito populations. From insecticide-treated bed nets to genetic modification of mosquitoes, innovative approaches have emerged to curb the spread of diseases.

Personal Protection Against Mosquitoes

Individuals can play a vital role in protecting themselves from mosquito bites. Using mosquito repellents, wearing protective clothing, and eliminating breeding sites around homes are effective preventive measures.

5 Interesting Facts About MOSQUITOES

1. Tiny But Mighty:

Despite their small size, mosquitoes are considered one of the deadliest creatures on the planet due to their ability to transmit deadly diseases.

2. Musical Males:

Did you know that only female mosquitoes bite? Male mosquitoes are more interested in sipping nectar and making a melodious buzzing sound.

3. Olympic-Level Feeding:

Mosquitoes are not only persistent but also remarkably efficient at finding a blood vessel. They can locate a blood vessel from up to 75 feet away.

4. Sweet Attraction:

Mosquitoes have a sweet tooth – well, sort of. They are attracted to the carbon dioxide, body odor, and heat that humans emit.

5. The Dance of Mating:

Mosquitoes engage in an intricate mating dance, where the male forms a “love nuptial” gift of his saliva proteins, which the female uses for nourishment.

World Mosquito Day Quotes, Wishes & Messages

“In the battle against mosquitoes, knowledge is the ultimate weapon. Happy World Mosquito Day!”

“Wishing you a bite-free and joyous World Mosquito Day. Stay protected and stay safe!”

“Let’s come together to raise awareness and fight against mosquito-borne diseases. Happy World Mosquito Day!”

“May your World Mosquito Day be as buzzing with positivity as it is with mosquitoes!”

“On this World Mosquito Day, let’s swat away diseases and make the world a healthier place.”

World Mosquito Day Dates

2023August 20Sunday
2024August 20Tuesday
2025August 20Wednesday
2026August 20Thursday
2027August 20Friday


Why is World Mosquito Day celebrated?

World Mosquito Day is celebrated to raise awareness about mosquito-borne diseases and the efforts to control them.

Who discovered the connection between mosquitoes and disease transmission?

Sir Ronald Ross, a British medical doctor, made this significant discovery.

What are some common mosquito-borne diseases?

Malaria, dengue fever, Zika virus, and yellow fever are examples of mosquito-borne diseases.

How can I protect myself from mosquito bites?

Using mosquito repellents, wearing protective clothing, and eliminating breeding sites can help prevent mosquito bites.

What role do communities play in mosquito control?

Communities can implement mosquito control measures and educate their members about disease risks.


As we mark World Mosquito Day on August 20, let us remember the importance of collective action in combating mosquito-borne diseases. By staying informed, engaging our communities, and supporting research and initiatives, we contribute to a world where mosquitoes no longer jeopardize our health and well-being.

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