South Africa's agricultural department confirmed on Wednesday two more outbreaks of highly pathogenic H5N8 bird flu have been detected on commercial layer farms in the provinces of Gauteng and Mpumalanga. Two previous outbreaks of avian flu in recent weeks have also been detected in South Africa, including on a farm belonging to poultry producer Astral. Neighbouring countries including Zimbabwe, Namibia and Botswana suspended poultry imports from South Africa following the initial outbreaks of avian flu.