Chinese President Xi Jinping on Thursday, in a congratulatory letter to a meeting of Brics countries' health ministers, called for enhanced exchanges and cooperation.The President called on relevant parties to study work in the field of traditional medicine and make joint efforts to tackle public health challenges, Xinhua news agency reported.Noting that Brics countries have already established a high-level dialogue to cope with public health challenges, Xi said he believed the meeting, which opened on Thursday, would promote exchanges and build consensus in relevant fields among Brics and other countries."It is our common good vision that everyone enjoys good health," Xi said.The meeting will also discuss traditional medicine, which Xi said is an important aspect of traditional culture.Xi said traditional Chinese medicine is a prominent representative of traditional medicine.