Sindh's Mpox Count Climbs to 43 as Karachi Keeps Adding Cases Through September

Sindh's mpox count for 2026 has reached 43 confirmed cases, health officials said, after a 35-year-old resident of Shah Faisal Colony tested positive days after another confirmed case from Karachi's Surjani Town — the second Karachi diagnosis inside a single week. Karachi now accounts for 15 of the province's 43 cases this year.

A slow climb, not a sudden spike

What makes Sindh's 2026 mpox count notable isn't a single dramatic surge — it's the steady drip of new cases across nearly the entire year. The province's tally stood at 41 in early September after four new infections were confirmed in the preceding days, including a 19-year-old man brought to Karachi's Sindh Infectious Diseases Hospital with a body rash. Two more cases in the following weeks pushed the count to 43. Each new patient has followed a similar pattern: a rash prompts a hospital visit, and a PCR test at Sindh Infectious Diseases Hospital confirms the infection.

How this outbreak started the year

The current run of cases traces back to a healthcare-associated cluster earlier in 2026 that was far deadlier than the recent additions suggest. By mid-April, Sindh's Health Department had confirmed 9 deaths among 25 cases recorded up to that point — a case fatality figure driven heavily by a cluster in Khairpur, which emerged as the year's hotspot with 18 confirmed cases against 4 in Karachi and 3 in Sukkur at the time. Health officials were careful to note that while several of the Khairpur children who died had tested positive for mpox, the infection was not established as the direct cause of death in already weak and malnourished children — a distinction that matters for how the outbreak should be read, even as the deaths themselves were real and the cluster prompted contact tracing and scrutiny of neonatal units in the district.

Punjab has recorded its own mpox cases in parallel, with 26 confirmed there earlier in the year even as Sindh carried the bulk of both cases and deaths.

Where the outbreak stands against the global picture

Sindh's cases are landing in a different global context than mpox did in 2024, when the World Health Organization declared a public health emergency of international concern over the more severe Clade Ib strain spreading from the Democratic Republic of the Congo. The WHO lifted that global emergency declaration in September 2025 after sustained declines in Africa, and the Africa Centres for Disease Control followed with its own continental emergency stand-down in January 2026. That doesn't mean the threat has disappeared — health authorities were explicit at the time that lifting the declaration wasn't a signal that the disease was over, and Sindh's cases this year, including confirmed community transmission of Clade Ib, are the local evidence for that caution. Pakistan built out mpox testing capacity at all four provincial public health laboratories and the National Institutes of Health in Islamabad after the 2024 emergency, infrastructure that is now what's catching Sindh's cases as they arrive.

What to watch

With 43 cases and single new diagnoses still arriving weekly in Karachi, Sindh's mpox count is on a trajectory to keep climbing before the year is out, even without the case-fatality shock of the April cluster repeating. The pattern so far — steady low-level transmission rather than a contained handful of imported cases — is the kind of outbreak that tends not to resolve on its own and instead depends on how consistently hospitals keep testing suspected cases and how quickly contacts get traced. For a province already managing a malaria outbreak with medicine shortages in Kashmore and the usual post-monsoon dengue risk, mpox is one more strain on district-level health infrastructure that was already stretched before this outbreak began.

Pakistan's broader disease-surveillance posture has been shaped by outbreaks like this one: the WHO's decision to extend polio-related travel restrictions on Pakistan reflects the same underlying concern — that gaps in routine public health monitoring take years to close even after a specific emergency declaration ends.

Build Better Pakistan's Health Desk tracks disease outbreaks and public health policy across Pakistan and will update this piece as Sindh's health department reports new mpox figures.