Disease Prevalence countries

malaria- Sub Saharan Africa, south Asia(India, Pakistan),Arabian gulf region, western and southern parts of china, south east Asia (Thailand, Malaysia, Indonesia ),south amarica,mexico,panama,few pockets in Australia

Dengue fever- Sub Saharan Africa, south Asia(India,Pakistan,sri lanka),oman,Kuwait,malayasia,few pockets in thiland,indunisia,sumathra,java,nothen part of austraila,northern countries of south America.
Yellow fever- Sub Saharan Africa,brazile and middle part of south America

plague- East costal area of north amarica,brazil,Colombia,central Africa, south Africa,china,Russia some parts of India

The presentation or the initial symptoms has great value for diagnosis. Fever with out localizing sings such as joint pain, muscle pain, headache, fever with rash, fever with hemorrhage and fever following a tick bites are some of important presentations.

Fever in/ from the tropics

This is the most common presentation of the tropical diseases. Although non tropical infection may present after a tropical travel. I have discussed the fever which was unsettling for more than 14 days, known as pyrexia of unknown origin (PUO) in a separate post. If u wants to know full details about fever visit………..
In this article I will discuss on fever which for less than 2 weeks. This is known as acute febrile episode. If u are a traveler please consider the most prevalent tropical disease in that country, which will be help to get counter measures for respective disease. This is called prophylaxis treatments.
Some information about geographical distribution of disease

Major symptoms in tropical infection

 There are great variety of symptoms which will cause by tropical diseases, some times the one particular disease will made totally different symptoms which might misleads the well experience physician. In this article I will emphasis on the common and the major ways in which the tropical diseases present. 

There are 4 major clinical symptoms

01. Fever
02. Eosinophilia (high eosinophil count on wbc/dc test)
03. Skin rashes
04. Diarrhoea