12 Questions
Which of the following is NOT a factor that is thought to impact the risk of dengue infection, disease, and disease severity?
Environmental factors
Which of the four dengue virus types provides the longest lasting cross-protection against the other three types following infection?
DENV-1
Which of the following is NOT a clinical manifestation of dengue virus infection?
Chronic fatigue syndrome
According to the World Health Organization's 1997 classification scheme, which of the following is NOT a category of symptomatic dengue virus infection?
Dengue neurological syndrome
Which of the following statements about the four dengue virus types is true?
They are genetically and serologically distinct
Which of the following is the most likely reason for an individual living in a dengue-endemic area with all four dengue virus types co-circulating to be at risk of infection with any and all of the DENV types?
The transient cross-protection among the four DENV types weakens and disappears over time
Which statement about the WHO 1997 classification scheme is accurate?
It focused on plasma leakage leading to intravascular volume depletion as the cardinal manifestation.
What was the primary reason for the WHO to introduce the 2009 classification scheme?
To emphasize early recognition of warning signs for optimal triage and management.
According to the passage, what is a limitation of the 2009 WHO classification scheme?
All of the above.
What concept was introduced by the WHO South-East Asia Regional Office in 2011?
The expanded dengue syndrome
Which of the following is NOT cited as a common risk factor for the expanded dengue syndrome?
Plasma leakage
According to the passage, which of the following statements is true regarding the different dengue classification schemes?
The WHO issued additional documents on dengue management in 2011 and 2012.
Learn about the febrile illness caused by dengue viruses, its clinical manifestations, and the factors impacting infection and disease severity. Explore the transmission process and the importance of Aedes aegypti and Aedes albopictus mosquitoes.
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