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Viral Load & Heid

Viral Load & Heid

HIV viral load and EID is the molecular sub-section which is among accredited scope at National Health Laboratory Quality Assurance and Training Center (NHL-QATC), Viral load tests measures number of  HIV copies in a milliliter of  blood, where Early Infant Diagnosis (EID)  testing it is done for diagnosis of  infants born from mothers infected with HIV.

A viral load measurement test is done to:

  1. Monitor the response to ART in HIV-infected patients
  2. Understand disease progression
  3. Guide treatment choices


  1. The section  serves as a back up to other Laboratories performing HVL and EID testing  in any circumstances like reagents stock outs, Equipment break down or in high workload situations, it is also involved in  providing Technical Assistance, conducting supportive  supervision, mentorship, providing and coordinate External Quality Assessment (EQA) for EID in other facilities
  2. The sub-section is doing quality check for all new lot numbers of reagents and consumables procured by Medical Store Department (MSD) and post marketing Survey in collaboration with regulatory boards
  3. HVL&EID sub-section in collaboration with National AIDS Control Program (NACP) and Implementing Partner’s (IP’s) provides coordination of HVL & EID laboratory testing Country wide
  4. HVL&EID sub-section in collaboration with MSD prepares rationed reagents distribution to all HVL&EID testing laboratories
  5. The sub-section members provide technical advice to HVL&EID National Technical Steering Committee for EID&HVL
  6. The sub-section participate fully in development of national training package and guidelines and operational for HVL & EID
  7. HIV viral load and EID section works in collaboration with several non-government organizations such as Tanzania Health Promotion Support (THPS), Management and Development for Health (MDH), Ariel Glaser Pediatric AIDS Healthcare Initiative (AGPAHI) and ICAP

Participation of Proficiency Testing Panel (PT)

The section receives and process specimens twice per year for EID external quality assessment (EQA) from National Health Laboratory services (NHLS) South Africa also receive External quality assessment for viral load from Center for Disease Control and Prevention (CDC) Atlanta.