South Africa must remain vigilant to prevent outbreaks which are costly to farmers and harm the export market
South Africa has been importing eggs and poultry meat to ease shortages
The country is grappling with the H5 and H7 variants of the disease, which were first recorded in the Western Cape in April but have spread to other provinces
CapeNature might have to close affected bird reserves if the outbreak becomes too severe
To avoid the spread of the highly contagious disease, 937 farms are being monitored