This is the ValueSet that contains codes in both WHO Disease or Agent Targeted (COVID-19) (http://smart.who.int/ddcc/ValueSet/WHODDCCDiseaseTargetedCOVID19) and WHO Disease or Agent Targeted (COVID-19) (http://smart.who.int/ddcc/ValueSet/WHODDCCDiseaseTargetedCOVID19).