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  <element name="CommitmentsAndContingenciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_CommitmentsAndContingenciesLineItems" />

  <element name="ClassOfWarrantOrRightsOutstandingWeightedAverageRemainingContractualLife" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_ClassOfWarrantOrRightsOutstandingWeightedAverageRemainingContractualLife" />

  <element name="ClassOfWarrantOrRightsIssuedWeightedAverageRemainingContractualLife" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_ClassOfWarrantOrRightsIssuedWeightedAverageRemainingContractualLife" />

  <element name="ClassOfWarrantOrRightOutstandingIntrinsicValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tpiv_ClassOfWarrantOrRightOutstandingIntrinsicValue" />

  <element name="ClassOfWarrantOrRightExpirationDate" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_ClassOfWarrantOrRightExpirationDate" />

  <element name="SeriesA1WarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesA1WarrantMember" />

  <element name="SeriesD1WarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesD1WarrantMember" />

  <element name="SeriesD2WarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesD2WarrantMember" />

  <element name="SeriesE1WarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesE1WarrantMember" />

  <element name="SeriesF1WarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesF1WarrantMember" />

  <element name="PipeWarrantsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_PipeWarrantsMember" />

  <element name="SeriesCWarrantsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesCWarrantsMember" />

  <element name="August2016WarrantAmendmentsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_August2016WarrantAmendmentsMember" />

  <element name="ClassOfWarrantOrRightTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_ClassOfWarrantOrRightTerm" />

  <element name="Numberofequityunitsissued" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_Numberofequityunitsissued" />

  <element name="Equityunitsissuedpriceperunit" type="us-types:perUnitItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_Equityunitsissuedpriceperunit" />

  <element name="Aggregatepurchasepriceofsharesagreedtopurchaseunderstockpurchaseagreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tpiv_Aggregatepurchasepriceofsharesagreedtopurchaseunderstockpurchaseagreement" />

  <element name="August2016WarrantExercisesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_August2016WarrantExercisesMember" />

  <element name="AccruedInvestorRelationsFeesCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="tpiv_AccruedInvestorRelationsFeesCurrent" />

  <element name="StockIssuedDuringPeriodSharesUponExerciseOfWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_StockIssuedDuringPeriodSharesUponExerciseOfWarrants" />

  <element name="SeriesC1WarrantsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesC1WarrantsMember" />

  <element name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfDerivativeLiability" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfDerivativeLiability" />

  <element name="EffectiveIncomeTaxRateReconciliationOtherPermanentDifferences" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_EffectiveIncomeTaxRateReconciliationOtherPermanentDifferences" />

  <element name="OmnibusStockOptionPlan2014Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_OmnibusStockOptionPlan2014Member" />

  <element name="AnnualPerformanceBonusOnBaseSalaryPercentageEligible" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_AnnualPerformanceBonusOnBaseSalaryPercentageEligible" />

  <element name="ScheduleOfWarrantSharesRepricedTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_ScheduleOfWarrantSharesRepricedTableTextBlock" />

  <element name="ValuationMethodologyTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_ValuationMethodologyTableTextBlock" />

  <element name="DrGlynnWilsonMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_DrGlynnWilsonMember" />

  <element name="StrategicAdvisorMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_StrategicAdvisorMember" />

  <element name="BrokerWarrantsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_BrokerWarrantsMember" />

  <element name="PipeWarrants1Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_PipeWarrants1Member" />

  <element name="BrokersWarrants1Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_BrokersWarrants1Member" />

  <element name="OtherWarrantsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_OtherWarrantsMember" />

  <element name="SeriesC2WarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesC2WarrantMember" />

  <element name="SeriesE2WarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesE2WarrantMember" />

  <element name="SeriesF2WarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesF2WarrantMember" />

  <element name="SeriesA2WarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesA2WarrantMember" />

  <element name="SeriesC3WarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesC3WarrantMember" />

  <element name="SeriesD3WarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesD3WarrantMember" />

  <element name="SeriesE3WarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesE3WarrantMember" />

  <element name="SeriesF3WarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesF3WarrantMember" />

  <element name="NumberOfUnitsSold" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_NumberOfUnitsSold" />

  <element name="ClassOfWarrantOrRightWarrantPrice" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="tpiv_ClassOfWarrantOrRightWarrantPrice" />

  <element name="ClassOfWarrantOrRightTranchetwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_ClassOfWarrantOrRightTranchetwoMember" />

  <element name="ClassOfWarrantOrRightTrancheOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_ClassOfWarrantOrRightTrancheOneMember" />

  <element name="IncomeTaxLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_IncomeTaxLineItems" />

  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardsEquityInstrumentsOtherThanOptionsWithHeld" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_ShareBasedCompensationArrangementByShareBasedPaymentAwardsEquityInstrumentsOtherThanOptionsWithHeld" />

  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardsEquityInstrumentsOtherThanOptionsFairValueOfInstrumentsWithHeld" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tpiv_ShareBasedCompensationArrangementByShareBasedPaymentAwardsEquityInstrumentsOtherThanOptionsFairValueOfInstrumentsWithHeld" />

  <element name="PresidentAndChiefOperatingOfficerMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_PresidentAndChiefOperatingOfficerMember" />

  <element name="ClassOfWarrantOrRightExerciseAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="tpiv_ClassOfWarrantOrRightExerciseAxis" />

  <element name="ClassOfWarrantOrRightExerciseDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_ClassOfWarrantOrRightExerciseDomain" />

  <element name="NumberOfWarrantSharesRepricedMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_NumberOfWarrantSharesRepricedMember" />

  <element name="PrereducedPriceMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_PrereducedPriceMember" />

  <element name="PostreducedPriceMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_PostreducedPriceMember" />

  <element name="CrucellHollandBvmemberMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_CrucellHollandBvmemberMember" />

  <element name="SeriesCWarrantOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesCWarrantOneMember" />

  <element name="SeriesDWarrantTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesDWarrantTwoMember" />

  <element name="SeriesFWarrantThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesFWarrantThreeMember" />

  <element name="SeriesCWarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesCWarrantMember" />

  <element name="SeriesDWarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesDWarrantMember" />

  <element name="SeriesFWarrantMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_SeriesFWarrantMember" />

  <element name="PercentageOfAggregateCashFeeForPlacementAgentAndFinancialAdvisoryServices" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="tpiv_PercentageOfAggregateCashFeeForPlacementAgentAndFinancialAdvisoryServices" />

  <element name="NonaccountableExpenseAllowance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="tpiv_NonaccountableExpenseAllowance" />
</schema>

