Where Have All the Diagnostic Morphological Parasitologists Gone?

Area of Science:

• Medical diagnostics
• Parasitology
• Infectious diseases

Background:

• Laboratory techniques have significantly advanced parasitology diagnostics, enabling sensitive detection of various parasites.
• New methods like antigen tests and molecular assays improve global access and accuracy for parasitic threats.
• However, reliance on these methods has led to a decline in essential microscopy and morphology skills.

Purpose of the Study:

• To highlight the critical need for maintaining expert microscopy and morphological parasitology diagnostic skills.
• To emphasize the potential negative impacts of declining morphology expertise on patient care, public health, and epidemiology.
• To advocate for training the next generation of morphological parasitologists.

Main Methods:

• This commentary reviews the evolution of diagnostic techniques in parasitology.
• It analyzes the consequences of decreased reliance on microscopy-based identification.
• It proposes strategies for preserving and training morphology expertise.

Main Results:

• The increasing use of non-microscopy-based diagnostics has led to a progressive loss of morphology expertise.
• This decline risks inaccurate diagnoses, missed disease identification, and challenges in describing new parasitic diseases.
• Molecular and antigen-based methods are not universally applicable to all parasites or settings.

Conclusions:

• Expert microscopy and morphology skills are vital for accurate parasitology diagnostics.
• Maintaining these skills is essential to prevent negative impacts on patient care, public health, and epidemiology.
• Proactive training initiatives are necessary to preserve this critical diagnostic capacity.