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OVERVIEW OF DENGUE HEMORRHAGIC FEVER

Dengue fever usually affects people living in tropical regions and it manifests with a suddenepisode of high fever.

More serious form of Dengue fever is called Dengue Hemorrhagic Fever (DHF) and DengueShock Syndrome (DSS) and affects a small proportion of patients who are affected by denguefever. It is believed that there is a secondary infection by a different dengue virus serotype thatleads to the development of DHF.

In Dengue Hemorrhagic Fever there is leakage of the plasma and its escape from the bloodstream leading to bleeding. Lack of blood clotting is also observed.

Majority of the dengue cases were from:

Cebu City topped other cities in the entire Central Visayas in the number of dengue cases and deaths.

The number of dengue cases recorded as of July 14, 2012 from January this year hasreached 1,642 with seven deaths compared to only 796 cases with eight deaths during thesame period last year.

Incidence rate is the ratio of the population to the number of cases that occurred in the barangay.

The Department of Health (DOH) has recorded 32,193 dengue cases nationwide with 195 deaths fromJanuary to June 2 this year, surpassing the 30,989 cases during the same period last year.

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INTRODUCTION:

INTRODUCTIONDengue fever is found mostly during and shortly after the rainy season in tropical andsubtropical areas of

Africa Southeast Asia and China India Middle East Caribbean and Central and South America Australia and the South and Central Pacific

You can get dengue virus infections from the bite of an infected Aedes mosquito.Mosquitoes become infected when they biteinfected humans, and later transmitinfection to other people they bite. Two main species of mosquito, Aedes aegypti and Aedesalbopictus, have been responsible for all cases of dengue transmitted in thiscountry.

Dengue is not contagious from person to person.Symptoms of typical uncomplicated (classic) dengue usually start with fever within 5 to6 days after you have been bitten by an infected mosquito and include

High fever, up to 105 degrees Fahrenheit Severe headache Retro-orbital (behind the eye) pain Severe joint and muscle pain Nausea and vomiting Rash

he rash may appear over most of your body 3 to 4days after the fever

begins. Youmay get asecond rash later in thedisease. Symptoms of

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dengue hemorrhagic

fever include all of thesymptoms of classicdengue plusy

Marked damage to bloodand lymph vesselsy

Bleeding from the nose,gums, or under the skin,causing purplish

bruisesThis form of

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Massive bleedingy Shock (very low blood

pressure)This form of the disease usuallyoccurs in children(sometimes adults)experiencingtheir second dengueinfection. It issometimes fatal,

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especially in children

and youngadults.