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  <xs:element name="ScheduleOfDilutedLossPerShareEffectOfAntiDilutiveAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_ScheduleOfDilutedLossPerShareEffectOfAntiDilutiveAbstract"/>
  <xs:element name="ScheduleOfConsolidatedStatementsOfOperationsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_ScheduleOfConsolidatedStatementsOfOperationsAbstract"/>
  <xs:element name="ScheduleOfConsolidatedBalanceSheetsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_ScheduleOfConsolidatedBalanceSheetsAbstract"/>
  <xs:element name="CashEquivalentsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_CashEquivalentsAbstract"/>
  <xs:element name="UsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_UsAbstract"/>
  <xs:element name="AssetsAbstract0" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_AssetsAbstract0"/>
  <xs:element name="CashEquivalentsAbstract0" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_CashEquivalentsAbstract0"/>
  <xs:element name="LiabilitiesAbstract0" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_LiabilitiesAbstract0"/>
  <xs:element name="LiabilityAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_LiabilityAbstract"/>
  <xs:element name="BasicAndDilutedlossPerShareOfCommonStockAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_BasicAndDilutedlossPerShareOfCommonStockAbstract"/>
  <xs:element name="NumeratorAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_NumeratorAbstract"/>
  <xs:element name="DenominatorAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_DenominatorAbstract"/>
  <xs:element name="InprocessResearchAndDevelopmentAssetNonCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="phge_InprocessResearchAndDevelopmentAssetNonCurrent"/>
  <xs:element name="ResearchAndDevelopmentExpenseNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="phge_ResearchAndDevelopmentExpenseNet"/>
  <xs:element name="DayOneLossUponEnteringTransaction" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="phge_DayOneLossUponEnteringTransaction"/>
  <xs:element name="AdjustmentsToAdditionalPaidInCapitalPreferredDividendsOnSeriesYConvertiblePreferredStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_AdjustmentsToAdditionalPaidInCapitalPreferredDividendsOnSeriesYConvertiblePreferredStock"/>
  <xs:element name="StockIssuedDuringPeriodValueExerciseOfWarrantsIntoCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_StockIssuedDuringPeriodValueExerciseOfWarrantsIntoCommonStock"/>
  <xs:element name="StockIssuedDuringPeriodSharesExerciseOfWarrantsIntoCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_StockIssuedDuringPeriodSharesExerciseOfWarrantsIntoCommonStock"/>
  <xs:element name="AdjustmentsToAdditionalPaidInCapitaReclassificationOfEmbeddedConversionDerivativeUponConversionOfSeriesYConvertiblePre" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_AdjustmentsToAdditionalPaidInCapitaReclassificationOfEmbeddedConversionDerivativeUponConversionOfSeriesYConvertiblePre"/>
  <xs:element name="StockIssuedDuringPeriodValueIssuanceofCommonStockunderanOpenMarketOfferingandSalesAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_StockIssuedDuringPeriodValueIssuanceofCommonStockunderanOpenMarketOfferingandSalesAgreement"/>
  <xs:element name="StockIssuedDuringPeriodSharesIssuanceOfCommonStockUnderAnOpenMarketOfferingAgreement" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_StockIssuedDuringPeriodSharesIssuanceOfCommonStockUnderAnOpenMarketOfferingAgreement"/>
  <xs:element name="StockIssuedDuringPeriodValueIssuanceofCommonStockunderInducementLetterAgreements" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_StockIssuedDuringPeriodValueIssuanceofCommonStockunderInducementLetterAgreements"/>
  <xs:element name="StockIssuedDuringPeriodSharesIssuanceofCommonStockunderInducementLetterAgreements" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_StockIssuedDuringPeriodSharesIssuanceofCommonStockunderInducementLetterAgreements"/>
  <xs:element name="IncomeFromChangeInFairValueOfWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_IncomeFromChangeInFairValueOfWarrants"/>
  <xs:element name="DecreaseInCashAsAResultOfDeconsolidationOfSubsidiary" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_DecreaseInCashAsAResultOfDeconsolidationOfSubsidiary"/>
  <xs:element name="IssuanceOfCommonStockUnderOpenMarketSalesAgreementNetOfIssuanceCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="phge_IssuanceOfCommonStockUnderOpenMarketSalesAgreementNetOfIssuanceCosts"/>
  <xs:element name="RedeemableConvertiblePreferredShareConversionIntoSharesOfCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_RedeemableConvertiblePreferredShareConversionIntoSharesOfCommonStock"/>
  <xs:element name="ConversionOfWarrantsIntoCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_ConversionOfWarrantsIntoCommonStock"/>
  <xs:element name="ConversionOfSeriesYConvertiblePreferredStockIntoCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_ConversionOfSeriesYConvertiblePreferredStockIntoCommonStock"/>
  <xs:element name="ReclassificationOfSeriesYConvertiblePreferredStockToPermanentEquity" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_ReclassificationOfSeriesYConvertiblePreferredStockToPermanentEquity"/>
  <xs:element name="ScheduleOfMainAssumptionsTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_ScheduleOfMainAssumptionsTableTextBlock"/>
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  <xs:element name="FairValueMeasurementsScheduleofFinancialAssetsthatareMeasuredatFairValueonaRecurringBasisbyLevelDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_FairValueMeasurementsScheduleofFinancialAssetsthatareMeasuredatFairValueonaRecurringBasisbyLevelDetailsLineItems"/>
  <xs:element name="RepricingOfWarrantsUnderTheInducementLetterAgreements" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="phge_RepricingOfWarrantsUnderTheInducementLetterAgreements"/>
  <xs:element name="ExerciseOfWarrantsIntoCommonStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_ExerciseOfWarrantsIntoCommonStock"/>
  <xs:element name="FairValueMeasurementsScheduleofFairValueoftheLiabilitiesfortheWarrantsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="phge_FairValueMeasurementsScheduleofFairValueoftheLiabilitiesfortheWarrantsDetailsTable"/>
  <xs:element name="FairValueMeasurementsScheduleofFairValueoftheLiabilitiesfortheWarrantsDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_FairValueMeasurementsScheduleofFairValueoftheLiabilitiesfortheWarrantsDetailsLineItems"/>
  <xs:element name="GovernmentInstitutionsCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="phge_GovernmentInstitutionsCurrent"/>
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  <xs:element name="DisposalGroupIncludingDiscontinuedOperationStockholdersEquitycapitalDeficiency" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_DisposalGroupIncludingDiscontinuedOperationStockholdersEquitycapitalDeficiency"/>
  <xs:element name="DisposalGroupIncludingDiscontinuedOperationTotalLiabilitiesAndCapitalDeficiency" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_DisposalGroupIncludingDiscontinuedOperationTotalLiabilitiesAndCapitalDeficiency"/>
  <xs:element name="StockholdersEquityScheduleofOptionsGrantedtoPurchasetheCompanysCommonStockUndertheCompanysShareOptionPlansDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="phge_StockholdersEquityScheduleofOptionsGrantedtoPurchasetheCompanysCommonStockUndertheCompanysShareOptionPlansDetailsTable"/>
  <xs:element name="StatementOfIncomesLocationBalanceDomainDomain" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_StatementOfIncomesLocationBalanceDomainDomain"/>
  <xs:element name="BasicandDilutedLossPerShareScheduleofDilutedLossPerShareDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="phge_BasicandDilutedLossPerShareScheduleofDilutedLossPerShareDetailsTable"/>
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  <xs:element name="NumberOfSharesUponPrefundedWarrantsAndAampRWarrantsExercise" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_NumberOfSharesUponPrefundedWarrantsAndAampRWarrantsExercise"/>
  <xs:element name="NumberOfSharesUponPreFundedWarrantsExercise" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_NumberOfSharesUponPreFundedWarrantsExercise"/>
  <xs:element name="ClinicalTrials" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="phge_ClinicalTrials"/>
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  <xs:element name="PercentageOfAcquisition" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_PercentageOfAcquisition"/>
  <xs:element name="PercentageOfAcquired" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_PercentageOfAcquired"/>
  <xs:element name="SignificantAccountingPoliciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="phge_SignificantAccountingPoliciesDetailsTable"/>
  <xs:element name="LossOfTransactionAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="phge_LossOfTransactionAmount"/>
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  <xs:element name="NumberOfTradingDaysPeriodPriorToCommonStock" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_NumberOfTradingDaysPeriodPriorToCommonStock"/>
  <xs:element name="GrossProceeds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="phge_GrossProceeds"/>
  <xs:element name="BasicandDilutedLossPerShareDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="phge_BasicandDilutedLossPerShareDetailsTable"/>
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  <xs:element name="PercentageOfIssuedAndOutstanding" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_PercentageOfIssuedAndOutstanding"/>
  <xs:element name="DebtInstrumentPrincipalAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_DebtInstrumentPrincipalAmount"/>
  <xs:element name="DebtInstrumentConvertibleConversionPricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="phge_DebtInstrumentConvertibleConversionPricePerShare"/>
  <xs:element name="AnnualRevenues" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_AnnualRevenues"/>
  <xs:element name="PerentageOfAnnualRevenues" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_PerentageOfAnnualRevenues"/>
  <xs:element name="TradingDays" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_TradingDays"/>
  <xs:element name="NonConvertiblePromissoryNote" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="phge_NonConvertiblePromissoryNote"/>
  <xs:element name="StatementOfIncomesLocationBalanceAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="phge_StatementOfIncomesLocationBalanceAxis"/>
  <xs:element name="ARWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_ARWarrantsMember"/>
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  <xs:element name="BiomXIsraelMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_BiomXIsraelMember"/>
  <xs:element name="CommonStockIssuedToStockholdersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_CommonStockIssuedToStockholdersMember"/>
  <xs:element name="CommonWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_CommonWarrantsMember"/>
  <xs:element name="ContingentSharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_ContingentSharesMember"/>
  <xs:element name="FiveYearWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_FiveYearWarrantMember"/>
  <xs:element name="GeneralAndAdministrativeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_GeneralAndAdministrativeMember"/>
  <xs:element name="HCWainwrightCoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_HCWainwrightCoMember"/>
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  <xs:element name="January2026PrivatePlacementAgentWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_January2026PrivatePlacementAgentWarrantsMember"/>
  <xs:element name="JanuaryTwoThousandTwentySixPrivatePlacementAgentWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_JanuaryTwoThousandTwentySixPrivatePlacementAgentWarrantsMember"/>
  <xs:element name="LandlordWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_LandlordWarrantsMember"/>
  <xs:element name="MergerWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_MergerWarrantsMember"/>
  <xs:element name="OptionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_OptionsMember"/>
  <xs:element name="PreFundedWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_PreFundedWarrantMember"/>
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  <xs:element name="PrivatePreFundedWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_PrivatePreFundedWarrantsMember"/>
  <xs:element name="PrivateWarrantsIssuedToScientificFoundersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_PrivateWarrantsIssuedToScientificFoundersMember"/>
  <xs:element name="RedeemableConvertiblePreferredShareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_RedeemableConvertiblePreferredShareMember"/>
  <xs:element name="RedeemableConvertiblePreferredSharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_RedeemableConvertiblePreferredSharesMember"/>
  <xs:element name="RegisteredPreFundedWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_RegisteredPreFundedWarrantsMember"/>
  <xs:element name="ResearchAndDevelopmentExpensesNetMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_ResearchAndDevelopmentExpensesNetMember"/>
  <xs:element name="SecuritiesPurchaseAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_SecuritiesPurchaseAgreementMember"/>
  <xs:element name="SeriesXRedeemableConvertiblePreferredSharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_SeriesXRedeemableConvertiblePreferredSharesMember"/>
  <xs:element name="SeriesYConvertiblePreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_SeriesYConvertiblePreferredStockMember"/>
  <xs:element name="SeriesYPreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="phge_SeriesYPreferredStockMember"/>
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