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  <xsd:element name="ThresholdPercentageOfSharesOutstandingForExerciseOfWarrants" id="tovx_ThresholdPercentageOfSharesOutstandingForExerciseOfWarrants" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NoticePeriodToIncreaseBeneficialOwnership" id="tovx_NoticePeriodToIncreaseBeneficialOwnership" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ThresholdPercentageOfSharesOutstandingForExerciseOfWarrantsAtElectionOfHolder" id="tovx_ThresholdPercentageOfSharesOutstandingForExerciseOfWarrantsAtElectionOfHolder" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ThresholdPercentageOfSharesOutstandingForExerciseOfWarrantsRequiringPriorNotice" id="tovx_ThresholdPercentageOfSharesOutstandingForExerciseOfWarrantsRequiringPriorNotice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedWeightedAverageRemainingContractualTerms" id="tovx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedWeightedAverageRemainingContractualTerms" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ProceedsFromResearchAndDevelopmentProgram" id="tovx_ProceedsFromResearchAndDevelopmentProgram" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ThericelLoanMember" id="tovx_ThericelLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DeferredResearchAndDevelopmentTaxCreditOffset" id="tovx_DeferredResearchAndDevelopmentTaxCreditOffset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PaymentsForProceedsFromTaxCreditReceivable" id="tovx_PaymentsForProceedsFromTaxCreditReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ComputerSoftwareMember" id="tovx_ComputerSoftwareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BusinessCombinationContingentConsiderationPayableOnAchievingCertainMilestone" id="tovx_BusinessCombinationContingentConsiderationPayableOnAchievingCertainMilestone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="BusinessCombinationContingentConsiderationArrangementsNumberOfMilestonePayments" id="tovx_BusinessCombinationContingentConsiderationArrangementsNumberOfMilestonePayments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PaidByEndOfAugust2025Member" id="tovx_PaidByEndOfAugust2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PaidByEndOfDecember2025Member" id="tovx_PaidByEndOfDecember2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LicensingOrBusinessDevelopmentTransactionIsSecuredMember" id="tovx_LicensingOrBusinessDevelopmentTransactionIsSecuredMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="May2025PublicOfferingMember" id="tovx_May2025PublicOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="September2024PublicOfferingMember" id="tovx_September2024PublicOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RestructuringAndRelatedCostExpectedAnnualCompensationAndBenefitsSavings" id="tovx_RestructuringAndRelatedCostExpectedAnnualCompensationAndBenefitsSavings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ExistingWarrantsMember" id="tovx_ExistingWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BusinessCombinationContingentConsiderationPaidonAchievingCertainMilestone" id="tovx_BusinessCombinationContingentConsiderationPaidonAchievingCertainMilestone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LicenseAgreementWithRasayanaTherapeuticsInc.Member" id="tovx_LicenseAgreementWithRasayanaTherapeuticsInc.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProceedsFromUpfrontPayment" id="tovx_ProceedsFromUpfrontPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DevelopmentMilestonePaymentReceivable" id="tovx_DevelopmentMilestonePaymentReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SalesMilestonePaymentReceivable" id="tovx_SalesMilestonePaymentReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="TerminationOfAgreementThresholdCurePeriodForMaterialBreach" id="tovx_TerminationOfAgreementThresholdCurePeriodForMaterialBreach" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TerminationOfAgreementCurePeriodForMaterialBreachNumberOfAdditionalPeriod" id="tovx_TerminationOfAgreementCurePeriodForMaterialBreachNumberOfAdditionalPeriod" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TerminationOfAgreementThresholdAdditionalCurePeriodForMaterialBreach" id="tovx_TerminationOfAgreementThresholdAdditionalCurePeriodForMaterialBreach" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TerminationOfAgreementThresholdPeriodForSuspensionOfMaterialDevelopmentEfforts" id="tovx_TerminationOfAgreementThresholdPeriodForSuspensionOfMaterialDevelopmentEfforts" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AccruedMilestonePayments" id="tovx_AccruedMilestonePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NewCommonStockPurchaseWarrantsMember" id="tovx_NewCommonStockPurchaseWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClassOfWarrantOrRightInducementPremium" id="tovx_ClassOfWarrantOrRightInducementPremium" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock" id="tovx_ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="StockSalesReceivableCurrent" id="tovx_StockSalesReceivableCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NumberOfEmployeesTerminated" id="tovx_NumberOfEmployeesTerminated" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LicenseAgreementsAbstract" id="tovx_LicenseAgreementsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LicenseAgreementDisclosureTextBlock" id="tovx_LicenseAgreementDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LicenseTerminationWrittenNoticePeriod" id="tovx_LicenseTerminationWrittenNoticePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="UsAndSpanishFacilitiesMember" id="tovx_UsAndSpanishFacilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResearchAndOfficeFacilitiesParetsDelVallsBarcelonaSpainMember" id="tovx_ResearchAndOfficeFacilitiesParetsDelVallsBarcelonaSpainMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
