South Africa has made progress in the fight against corruption, but more needs to be done to eradicate the vice, say analysts - this as the world marks International Anti-Corruption Day, Friday. "There have been efforts within government to clean up corruption," Ayesha Kajee of the South African Institute of International Affairs, a Johannesburg-based think-tank, told IPS. She pointed to the response to claims of graft in a multi-million dollar arms deal, as well as to an oil scandal and a parliamentary travel voucher scam.