Bird flu outbreak confirmed in SA, Joburg farm quarantined 14 April 2021 - 07:00 The World Health Organisation and the World Organisation of Animal Health confirmed that this strain of the virus was found to not be dangerous to humans, and in the isolated cases where transmission has occurred, it could be treated effectively. Image: Chayakorn Lot/ 123rf.com/ File photo The poultry industry was on high alert on Tuesday after an outbreak of avian influenza was confirmed in a commercial layer flock on the East Rand of Johannesburg. The South African Poultry Association (Sapa) said the farm was quarantined and that the N-type would be established on Wednesday after conclusive testing at Onderstepoort Veterinary Institute.