Dengue fever is a viral disease composed of four viral types: (DEN-1, DEN-2, DEN-3, and DEN-4). Due to the sporadic cases of Dengue in tropical environments (south east asia, caribbean, sub-saharan africa, south america, latin america, oceania and pacifica) the disease retains a highly mutative trait. Due to this mutative trait, there is little to no immunity of an infected person to the virus's symptoms. The virus is vector-based, and so long as there are mosquitoes to spread the virus to a secondary and tertiary host, there will be the manifestation of infections. There is no vaccine for Dengue, unfortunately, and the only medical treatment for those infected with it is proper diagnosis of the disease during the symptorallic period (which is between the 7 day span), hydration is a proper treatment of the disease--as one side effect of Dengue is Peurperalsis, high temperature, and eventual systemic failure.
So long as there are breeding grounds for the Aedes mosquitoes (responsible for vector transmission), and a high segment of the population (rural areas) within the mosquitoes' sphere of control, there will be, unfortunately, manifestations of Dengue fever.
The only proper way to assess this is mentioned in the article posted above. There has to be increased medical clinics with capabilities to treat emergency patients, and intensive care units to help the patient recover. An infected patient with DEN-1, DEN-2, DEN-3, and DEN-4 forms of the virus needs proper food intake, sleep, bathing, and hydration to augment the patient's natural defense (the immune system) to fight of the disease. Insofar, medical professionals can only treat the symptoms of the disease. The throbbing pain (due to joint locks) can be assessed vis-a-vis pain relief medication (Acetaminophen, codeine, pethidine{but for only sever cases})
In fighting dengue, prevention is primary. There is no way to fully exterminate Dengue, it is a viral form that has existed before the rise of the human species and one that continues to mutate; any anti-viral would be rendered ineffective as the virus has been known to completely evade the inhibitory qualities of most antiviral drugs; and would mutate to another strain. Basically, this virus mutates faster than human drug industry can study, design, litigate and sell prescription anti-virals. Additionally, Dengue not only affects homo sapiens, but all members of the animalia continuum.
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