International 20 August 2026
World Mosquito Day: August 20

Why in the News?
World Mosquito Day is observed globally on August 20 every year to raise awareness about mosquito-borne illnesses and to emphasize prevention, timely diagnosis, and vector control strategies.
Key Features / Major Points:
Historical Significance: Commemorates the 1897 discovery by Sir Ronald Ross, who proved that female Anopheles mosquitoes transmit the malaria parasite between humans.
Inception: First established in 1930 by the London School of Hygiene and Tropical Medicine.
Theme Focus: Focuses on accelerating clean-energy vector control, equitable access to malaria prevention, diagnosis, and treatment in high-risk regions.
Vectors and Transmitted Diseases:
Female Anopheles: Malaria (caused by Plasmodium parasites).
Aedes Mosquitoes: Dengue Fever, Chikungunya, Zika Virus, and Yellow Fever.
Culex Mosquitoes: Japanese Encephalitis (affecting the central nervous system).
Static GK Facts:
Sir Ronald Ross:
Nobel Prize: Awarded the Nobel Prize in Physiology or Medicine in 1902 for his work on malaria transmission.
Discovery Location: Completed his landmark research in Secunderabad, India.
Malaria Pathogen: Plasmodium (a microscopic protozoan parasite).
One-Liner Quiz (All Competitive Exams):
Who discovered that malaria is transmitted by the female Anopheles mosquito?
Answer: Sir Ronald Ross
Which mosquito species is primarily responsible for transmitting Chikungunya and Dengue fever?
Answer: Aedes mosquito (Aedes aegypti / Aedes albopictus)
