Dengue fever : diagnostic testing guide

Dengue fever, a mosquito-borne viral disease, has emerged as a significant global health concern, particularly in tropical and subtropical regions. For primary care clinicians, the ability to accurately diagnose dengue is crucial, given its common presentation with symptoms similar to other febrile illnesses. This guide aims to provide primary care physicians with a comprehensive understanding of the diagnostic testing for dengue, enabling them to make informed decisions and manage cases effectively.

Dengue presents unique challenges in diagnosis due to its varying clinical presentations, ranging from mild febrile illness to severe dengue, which can be life-threatening. Early and accurate diagnosis not only ensures appropriate patient management but also plays a vital role in preventing disease progression and complications. Understanding the available diagnostic tests, their appropriate use based on the stage of the disease, and interpreting results in the context of clinical presentation and epidemiological settings are paramount for primary care providers.

This guide will delve into the types of diagnostic tests available for dengue, including molecular tests, serological tests, and antigen detection. It will outline the recommended testing protocols based on the duration of symptoms and provide insights into the interpretation of test results.