Transmission
The Aedes aegypti mosquito is the primary vector of dengue. The virus is transmitted to humans through the bites of infected female mosquitoes. After virus for an capable of transmitting the virus the rest of its life as a source of virus Infected humans are the main carriers and multipliers of the virus, serving the for uninfected mosquitoes. Patients who are already infected with the dengue virus can transmit their symptoms appear. the (for 4-5 12) via mostly in man-made containers. The Aedes aegypti mosquito lives in urban habitats and breeds in the Unlike other aegypti is a day-time feeder its peak biting periods are early morning and in the evening before dusk. Female Ae. aegyptibites multiple people during each feeding period. in Asia, has spread to North America and Europe Aedes albopictus, secondary dengue vector other goods (e.g. lucky largely due to the international trade in used tyres (a breeding habitat) and temperate regions and, can survive in cooler bamboo). Ae. albopictu to temperatures below freezing, hibernation, and of Europe. Its spread is due to its tolerance ability to shelter in microhabitats.
Characteristics
Dengue fever is a severe, flu-like illness that affects infants, young seldom causes death. (40oCI104oF is accompanied by 2 of the Dengue should be suspected when a high fever pains, nausea, following symptoms: severe headache, pain behind the eyes, muscle and joint incubation period vomiting, swollen glands or rash. Symptoms usually last for 2-7 days, after an of 4-10 days after the bite from an infected mosquito. fluid accumulation, Severe dengue is a potentially deadly complication due to plasma leaking, occur 3-7 days after the respiratory distress, severe bleeding, or organ impairment. Waming signs and include: first symptoms in conjunction with a decrease in temperature (below 38°C/100oF) severe abdominal pain, persistent vomiting, rapid breathing, bleeding gums, fatigue, restlessness and blood in vomit. next 24 48 of critical stage can be lethal: proper medical care is needed to avoid complications and risk of death.