Suspected dengue cases in Sindh more than tripled during August 2026, from 51 in the first full week of the month to 173 in the last, according to the Integrated Disease Surveillance and Response (IDSR) weekly bulletins of the National Institute of Health (NIH) in Islamabad.
Khyber Pakhtunkhwa reported 263 suspected cases in the last week of August, up from 65 in the first. Balochistan’s count fell from 3 to 1, while Punjab did not report into the bulletin, which therefore gives no national total. The combined total rose from 119 to 437.
These are suspected cases, not laboratory-confirmed ones. The bulletin states on its own overview page that every case in the weekly tables is a suspected case; a person with fever and body pain may be counted before any test is done.
The bulletin lists dengue among the diseases that increased that week. Karachi’s first dengue death of 2026 was reported in March.
The bulletin does not break dengue down by Karachi district — its Sindh district table lists only the most common diseases — so it cannot say how many of the 173 cases were in Karachi.

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