NEWS

Bengaluru has reported fewer cases of Vector Borne diseases like dengue and chikungunya this year compared to last year

ABOUT

• What are Vectors – Organisms that can transmit infectious diseases between humans or from animals to humans
• Examples of Vectors – Mosquitoes, ticks, flies, sandflies, fleas, triatomine bugs ,some freshwater aquatic snails.
• Vector-borne diseases – Human illnesses caused by parasites, viruses and bacteria that are transmitted by vectors.

FACTORS LEADING TO INCREASE

• Global travel and trade, unplanned urbanization and environmental challenges such as climate change
• Changes in agricultural practices due to variation in temperature and rainfall
• The growth of urban slums, lacking reliable piped water or adequate solid waste management, can render large populations in towns and cities

LIST