Killer virus identified
“The causative agent of the disease… may be a rodent-borne arenavirus related to the lassa fever virus of West Africa,” the NICD’s Dr Lucille Blumberg told the SA Press Association (SAPA).
A report by SAPA quoted Blumberg saying tests done by the NICD and the Centres for Disease Control in Atlanta, US indicated that the disease seemed to be a kind of arenavirus.
Arenaviruses cause chronic infections in multimammatic mice – a kind of wild mouse – who excrete the virus in their urine which can then contaminate human food or house dust.
Viruses similar to the lassa fever virus have been found in rodents in Africa, but other than in West Africa, have not been found to cause diseases in humans.
Therefore further tests still need to be done to find out whether this current strain is an undiscovered member of the arenavirus and what its distribution is.
Blumberg said a female nurse and a male paramedic were currently in isolation after having been in contact with those who previously died from the illness. They had shown symptoms of the disease.
The paramedic has since been diagnosed with kidney stones and Blumberg said it was “less likely” that he had the virus.
The nurse is “highly suspect” and is receiving anti-viral medication.
She was presently stable, but Blumberg could not say how her condition was likely to progress.
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