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First Expiry First Out [FEFO]

The principle of First-Expired, First-Out (FEFO) means that the drugs which are due to expire first, are to be issued first. 

The FEFO principle ensures that the product with the shortest expiry date is utilised at the earliest within its shelf-life. 

Following the FEFO principles, the stocks need to be placed/ arranged/ stacked in a sequential manner. 

 

Steps Followed for Implementing FEFO

Microscopy

Microscopy is a TB diagnostic technology that utilizes the acid-fastness property of Mycobacterium tuberculosis to visualize it under a microscope. Results of sputum smear microscopy can either be smear-negative, or smear-positive (with various grades). 

Advantages:

  • It is currently the most accessible and cheapest TB diagnostic test available under National TB Elimination Programme (NTEP) in India.
  • It has the shortest turnaround time for diagnosis.
  • It has high specificity. 

Limitations:

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