Dengue virus is transmitted by mosquitoes such as Aedes aegypt, Aedes albopictus, Aedes polynesiensis, Aedes scutellaris etc. Dengue mosquitoes bite humans during the day. This mosquito bites in the morning and evening. Dengue transmission occurs through blood and organ donation. Germs are transmitted from the pregnant mother to the child. The germs enter the human body through the saliva of mosquitoes while consuming human blood. The number increases in the human body within 8-10 days.