This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Types of dengue serotypes are? 
Select and explain. 
A. 2, B. 4, C. 5, D. 10
B: 4
Answer: B: 4 
Explanation: Dengue virus: Arbovirus 4 serotypes Manifestations
1. Assymptomatic
2. Dengue fever: √ a.k.a break bone fever √ Incubation period : 3-10 days
3. Dengue hemmorhgic fever: √ Infection or reinfection with more than one type of dengue virus √ Incubation period :
4-6 days √ Plasma leakage and hemostasis, hemoconcentration, thrombocytopenia √ Transmitted by bites of aedes aegypti