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Concurrent dengue infections: Epidemiology & clinical implications.

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Multiple dengue virus (DENV) serotypes can infect individuals simultaneously, impacting disease presentation and transmission. This review comprehensively examines concurrent DENV infections and co-infections with other arboviruses globally.

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Concurrent dengue infectionsdengue serotypesepidemiologypublic health

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Area of Science:

  • Virology
  • Epidemiology
  • Public Health

Background:

  • Multiple dengue virus (DENV) serotypes frequently co-circulate, leading to frequent individual co-infections.
  • Concurrent DENV infections occur in 2.5-50% of cases, varying by region.
  • Co-infections can alter disease presentation and transmission dynamics compared to single DENV infections.

Purpose of the Study:

  • To provide a comprehensive global overview of concurrent dengue virus infections.
  • To analyze clinical presentations of concurrent DENV infections, distinguishing mild and severe forms.
  • To investigate concurrent DENV infections alongside other arboviral infections.

Main Methods:

  • Literature review of global concurrent dengue virus infections.
  • Analysis of clinical data on mild and severe concurrent DENV disease presentations.
  • Examination of studies reporting co-infections with other arboviruses.

Main Results:

  • Concurrent DENV infections are a significant global health concern, with varying prevalence.
  • Clinical manifestations of concurrent DENV infections differ from mono-infections, ranging from mild to severe.
  • Co-infections with other arboviruses are reported, adding complexity to disease outcomes.

Conclusions:

  • Understanding concurrent DENV infections is crucial for accurate diagnosis and patient management.
  • Further research is needed to fully elucidate the impact of co-infecting serotypes and other arboviruses.
  • Comprehensive data on concurrent infections aids in developing effective public health strategies for dengue control.