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<element name="AgreementTypeDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cydy_AgreementTypeDomain" substitutionGroup="xbrli:item" />
<element name="ChiefScienceOfficerMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cydy_ChiefScienceOfficerMember" substitutionGroup="xbrli:item" />
<element name="DrRichardGPestellMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cydy_DrRichardGPestellMember" substitutionGroup="xbrli:item" />
<element name="TrancheAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cydy_TrancheAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="TrancheDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cydy_TrancheDomain" substitutionGroup="xbrli:item" />
<element name="TrancheTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cydy_TrancheTwoMember" substitutionGroup="xbrli:item" />
<element name="DiscountOnConvertiblePromissoryNote" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="cydy_DiscountOnConvertiblePromissoryNote" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="ExpensePayableOnIssuanceOfConvertiblePromissoryNote" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="cydy_ExpensePayableOnIssuanceOfConvertiblePromissoryNote" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="NaderPourhassanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cydy_NaderPourhassanMember" substitutionGroup="xbrli:item" />
<element name="ConvertiblePromisssoryNotesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cydy_ConvertiblePromisssoryNotesMember" substitutionGroup="xbrli:item" />
</schema>


