Eradication of killer Malaria disease:

• August 20, every year:   This day was declared by him as the World Mosquito Day.
• 1881:   He joined the Indian Medical Service in 1881 and his first posting was in Madras.
• 1882 to 1889:   He studied malaria during this period, working at the Presidency General Hospital, Calcutta.
•  1897:   He was posted to Ooty where fell ill with malaria.
• 1902:   He was a recipient of the Nobel Prize for Physiology or Medicine in 1902 for his work on malaria. His assistant, Kishori Mohan Bandopadhyay, was awarded a gold medal.

• His discovery of the malarial parasite in the gastrointestinal tract of the Anopheles mosquito led to the realization that malaria was transmitted by Anopheles, and laid the foundation for combating the disease.
• During his active career, Ross advocated the task of prevention of malaria in different countries.
• He carried out surveys and initiated schemes in many countries.
• He also initiated organisations for the prevention of malaria within the planting industries of India and Sri Lanka.
• Through these works, Ross continued his great contribution in the form of the discovery of the transmission of malaria by the mosquito.
• He also found time for many other passions and pursuits, being a poet, playwright, writer and painter.