Is Dengue contagious through saliva?
When taking a blood meal, an infected female mosquito injects its saliva into the human host to prevent the host’s blood from clotting and to ease feeding. This injection of saliva infects the host with the dengue virus.
How is the virus that causes dengue fever typically spread?
Dengue viruses are spread to people through the bite of an infected Aedes species (Ae. aegypti or Ae. albopictus) mosquito. Dengue is common in more than 100 countries around the world.
Is dengue transmitted vertically?
Dengue is a systemic viral infection that is commonly transmitted between humans via mosquitoes. Other modes of transmission such as the vertical one are rare and have been infrequently reported in the literature.
Can kissing cause dengue?
“Just because the virus is present in saliva does not mean it can be transmitted that way.” He argued that it was more likely to behave like dengue, another mosquito-borne disease that is found in human body fluids but cannot be spread that way.
Who is most affected by dengue?
Severe dengue was first recognized in the 1950s during dengue epidemics in the Philippines and Thailand. Today, severe dengue affects most Asian and Latin American countries and has become a leading cause of hospitalization and death among children and adults in these regions.
Is maternal transmission of dengue possible?
Dengue in pregnancy is associated with preterm delivery, intra-uterine death, miscarriages and acute foetal distress during labour . Apart of foetus adversely been affected by complications due to maternal dengue, the foetus can directly be infected with the virus due to perinatal transmission.
Is dengue a congenital disease?
We used an outcome definition of congenital malformation of the nervous system coded as Q00-Q07 in International Classification of Diseases, 10th Revision (ICD-10). We defined dengue as a confirmed case of DENV infection notified during a pregnancy that resulted in a live birth.