Chapter 20 - Explain why cases of dengue fever have been observed

Please Pick 2 question to answer and provide reference. 

Chapter 20 

1.Explain why cases of dengue fever have been observed beyond endemic regions of the world today. Discuss whether or not completely eradicating mosquito (vector) populations from disease-ridden areas is advisable.

2.   a.Discuss whether or

not genetics plays a role in HIV infection, providing at least one example to illustrate your position.

b.Provide evidence in support of or refuting the following statement: An HIV-positive individual will always harbor the virus even if no viral load is detectable by PCR or other methods.

3.Explain why over the years the incidence of HIV infection has declined in the United States while the prevalence of AIDS has increased.

4.   a.Compare and contrast various characteristics of hemorrhagic and non hemorrhagic fever diseases.

b.Provide an explanation for the observed increase in incidence of these zoonotic infections around the world today.

5.Several pathogens in this chapter are listed as Category A bio weapons by the Centers for Disease Control and Prevention (CDC). What characteristics of the pathogens in this chapter make them suited for mass infection with high mortality?

stion to answer and provide reference.