Background: Between 2018 and 2026, Pakistan recorded at least five geographically distinct HIV clusters, most recently at Kulsum Bai Valika (KBV) SESSI Hospital, Karachi, where confirmed infections passed 120 by mid-2026. Most clusters have been attributed to unsafe injection practices. To use the KBV cluster as a primary case study, compare it with the Ratodero, Sargodha, Taunsa and Islamabad clusters, identify shared structural causes, and propose an implementable national policy framework. Methods: Peer-reviewed literature, WHO regional publications, hospital inquiry findings, provincial ombudsman records and investigative journalism were searched and synthesized for each cluster, with cluster inclusion based on a documented association with unsafe medical injection practice. Results: Every cluster examined was linked to syringe reuse or comparable infection-control failures. A 2021 systematic review found iatrogenic transmission was the main contributing factor in five of seven outbreaks recorded in Pakistan between 2000 and 2019. A 2019-2020 survey found 70% of inspected private practitioners in Sindh were unlicensed. Conclusion: Facility-specific inquiries have not prevented recurrence. Five structural gaps, unenforced injection-safety protocols, absent real-time surveillance, treatment-stock shortfalls, unregulated private practice, and late accountability, recur across all clusters and require a standing, funded, nationally enforced policy response rather than further case-by-case inquiry. Keywords: HIV outbreak; Pakistan; syringe reuse; infection prevention and control; pediatric HIV; health policy
Muhammad Akbar Rashid, New Al-Shifa Eye Center Taunsa, Pakistan.2*Javaria Nisa Mir, Red Cross KPK, Pakistan. In October 2025, a pediatrician in Karachi's Pathan Colony identified children with no history of blood transfusion, infected parents, or behavioral risk factors testing positive for HIV after routine hospital visits for conditions such as fever or vaccination. Within months, confirmed infections tied to Kulsum Bai Valika (KBV) Hospital, run by the Sindh Employees' Social Security Institution (SESSI), climbed past 120, with more than 10 500 residents screened in the surrounding neighborhood (1–3). This is not an isolated event. Pakistan has recorded multiple geographically distinct HIV clusters since 2018: Sargodha's Kot Imrana (2018), Ratodero (2019), Taunsa (2024-2025), a disputed rise in Islamabad (2025-2026), and now KBV, nearly all traced to unsafe reuse of needles and syringes in facilities meant to treat rather than infect the patients who attend them (4–8,18). A 2021 systematic review of HIV outbreaks reported in Pakistan between 2000 and 2019 found that iatrogenic transmission from unsafe injection practices was the main contributing factor in five of seven documented events (23), indicating that this is not a series of unrelated administrative accidents but a recognised, published pattern that the health system has known about for several years without a durable structural remedy. Each new cluster has so far produced a similar sequence: an individual clinician notices an anomaly, screening confirms a cluster, an inquiry assigns blame to specific individuals, and the underlying system that allowed the failure to go undetected is left largely unchanged until the next cluster repeats the pattern. This paper treats KBV as the primary case study and places it alongside the Taunsa, Islamabad, Ratodero and Sargodha clusters to test whether these represent isolated administrative failures or a recurring, systemic gap in Pakistan's infection-control governance. Objectives This paper aims to: (i) describe the KBV cluster in detail as the primary case study; (ii) compare it against the Taunsa, Islamabad, Ratodero and Sargodha clusters; (iii) identify structural causes common across clusters; and (iv) propose a specific, implementable national policy framework addressing those causes, specifying for each element a responsible institution, an implementation timeline, and a measurable success indicator. Methods Sources were identified through targeted searches of PubMed, Google Scholar, WHO/EMRO publications, and Pakistani and international news media, using terms including "Pakistan HIV outbreak", "syringe reuse", "Taunsa", "Ratodero", "Kulsum Bai Valika" and "Sargodha HIV", conducted in July 2026. Searches were restricted to English-language material, a scope limitation that excludes untranslated Urdu- and Sindhi-language reporting. Peer-reviewed and WHO-verified sources were prioritized where available. The Ratodero (2019) and Sargodha (2018) clusters rest on such literature, reflecting the years since passed for it to be produced. The KBV, Taunsa and Islamabad clusters are recent enough, some still unfolding at the time of writing, that no comparable peer-reviewed epidemiology yet exists; evidence for these three rests on investigative journalism, hospital inquiry findings, and provincial ombudsman hearing records. This asymmetry in evidence quality across the five clusters is disclosed here so the comparative findings can be weighed accordingly. Cluster inclusion followed a single criterion: a publicly documented cluster of paediatric or general-population HIV cases in Pakistan attributed, provisionally or conclusively, to unsafe medical injection practice, applied consistently including to Islamabad, where attribution is itself contested and reported as such throughout this paper. Results Case study: Kulsum Bai Valika SESSI Hospital The first cluster at KBV surfaced in October 2025 (1). Sindh's Health Department Communicable Disease Control team began screening the following day, and an inquiry committee formed within the week, a genuinely rapid institutional response by Pakistani standards (1). That speed was not matched by containment. The initial inquiry confirmed HIV infection in 16 children and two deaths; a subsequent inquiry lifted the confirmed count to 78 cases and six deaths (1). Over the following weeks the count rose again, to 80, then 94, then 120, as further screening and hospital receipt audits identified additional infected children, some from the same family (1,2,9,10,19). Of the 120 confirmed cases as of mid-July 2026, 81 were registered SESSI beneficiaries; the remaining 39, though not covered by the institution, were still receiving free treatment from the provincial government (1,2). A parallel screening drive at SESSI's Landhi facility, roughly ten kilometres away, found ten additional positive cases among nearl
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