It is a viral infection that usually starts with a high fever.Bleeding may occur from the nose,mouth and gums.Bruises may also appear.This can be sign of bleeding inside the body.
Without prompt treatment,the person can go into shock,which is also known as ‘Dengue shock syndroms'.There is currently no specific anti-viral drug to treat the disease,nor is there a vaccine to prevent a person from being infected with the dengue virus.What is usually recommended is rest and drinking a lot of water to prevent dehydration.
In severe cases,blood and other fluid transfusions may be necessary.The illness can last up to ten days,but complete recovery can takeas long as a monthy.
The transmission cycle for dengue starts when an infected Aedes mosquito bites a healthy person.Four to seven days later,the infected person develops fever.This may go on for about five days.If an Aedes mosquito bites the person during this period when he or she is infectious,it will pick up the dengue virus into his or her blood.
The virus takes seven to ten days to multiply in the second mosquito.The mosquito then becomes infective and the cycle starts agains when it bites another person.
