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SA traces Airlink passengers after cruise-linked hantavirus case
Passengers who travelled on Airlink flight 4Z132 from St Helena to Johannesburg on 25 April 2026 are being traced after a hantavirus case linked to a wider international cruise ship outbreak prompted a coordinated public health response.
Image source: Gallo/Getty
Airlink said it was notified by South African health authorities after a passenger who had been on the flight later passed away following arrival in Johannesburg.
The airline said it was unaware of any illness at the time of travel and has since provided passenger details and seating allocations to assist with contact tracing.
The passenger’s condition deteriorated during the flight before she died in a Johannesburg emergency department on 26 April, according to reports by IOL.
Laboratory testing by South Africa’s National Institute for Communicable Diseases has since confirmed hantavirus infection, with sequencing and genomic analysis underway to determine the strain involved, as reported by CapeTown ETC.
The World Health Organization (WHO) said the case forms part of a wider cruise-linked outbreak involving 147 passengers and crew, with confirmed and suspected infections reported across multiple countries.
The organisation is coordinating an international investigation and has assessed the public health risk as low while enquiries continue.
Airlink said it is cooperating fully with health authorities and has shared all relevant passenger and crew information to support ongoing contact tracing efforts.
The airline added that its aircraft are equipped with HEPA filtration systems that continuously circulate and clean cabin air during flight operations, in line with international aviation safety standards.
Cruise-linked outbreak
The case is linked to an international outbreak under investigation involving a cruise vessel that travelled through remote regions including Antarctica, South Georgia, St Helena and Ascension Island.
Health authorities across multiple countries are working with WHO coordination channels to determine exposure pathways and track potential transmission routes.
What is hantavirus?
Hantavirus is a rare viral infection primarily transmitted through exposure to infected rodent urine, saliva or droppings.
Human infection is uncommon but can cause severe respiratory illness in serious cases.
While human-to-human transmission is rare, it has been documented in limited instances involving specific strains.
