ChinaTh2 CellsTh1 CellsTh17 CellsTh1-Th2 BalancePhylogenySequence Analysis, DNARural PopulationGeographyMolecular Sequence DataHistory, 19th CenturyHistory, 17th CenturyPrevalenceSchistosomiasis japonicaHistory, 18th CenturyEconomic DevelopmentHistory, 16th CenturyTibetHistory, 15th CenturySchistosoma japonicumHistory, 20th CenturyCluster AnalysisInterleukin-4CytokinesGenotypeInterleukin-17Asian Continental Ancestry Group