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  <element name="FormerChemomabSecurityHoldersMember" id="cmmb_FormerChemomabSecurityHoldersMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="GeneralAndAdministrativeDisclosureTextBlock" id="cmmb_GeneralAndAdministrativeDisclosureTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="GeneralAndAdministrativeExpensesMember" id="cmmb_GeneralAndAdministrativeExpensesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="IncomeStatementLocationsAxis" id="cmmb_IncomeStatementLocationsAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" nillable="true"/>
  <element name="IncomeStatementLocationsDomain" id="cmmb_IncomeStatementLocationsDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="InvestorsMember" id="cmmb_InvestorsMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="IssuanceOfSharesNetOfIssuanceCosts" id="cmmb_IssuanceOfSharesNetOfIssuanceCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="LiabilitiesAssumedNetOfNonCashAssetsReceivedInReverseMerger" id="cmmb_LiabilitiesAssumedNetOfNonCashAssetsReceivedInReverseMerger" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="LifesciCapitalLlcMember" id="cmmb_LifesciCapitalLlcMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="MarketOfferingAgreementMember" id="cmmb_MarketOfferingAgreementMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="MergerAgreementMember" id="cmmb_MergerAgreementMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="MergerAgreementWithChemomabIsraeliLimitedCompanyAndClinicalStageBiotechCompanyMember" id="cmmb_MergerAgreementWithChemomabIsraeliLimitedCompanyAndClinicalStageBiotechCompanyMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NatureOfOperationsDisclosureAbstract" id="cmmb_NatureOfOperationsDisclosureAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfAdsIssuedAndOutstandingAfterMerger" id="cmmb_NumberOfAdsIssuedAndOutstandingAfterMerger" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfAdssOptionsIssuableOutstanding" id="cmmb_NumberOfAdssOptionsIssuableOutstanding" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfAdssVestedAndExercisable" id="cmmb_NumberOfAdssVestedAndExercisable" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfAmericanDepositorySharesAndPreFundedWarrantsIssued" id="cmmb_NumberOfAmericanDepositorySharesAndPreFundedWarrantsIssued" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfOptionsIssuableOutstanding" id="cmmb_NumberOfOptionsIssuableOutstanding" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfOptionsVestedAndExercisable" id="cmmb_NumberOfOptionsVestedAndExercisable" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfOrdinarySharesConsistedInDS" id="cmmb_NumberOfOrdinarySharesConsistedInDS" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfOrdinarySharesForEachPreferredShareConvertedPriorToDateOfMerger" id="cmmb_NumberOfOrdinarySharesForEachPreferredShareConvertedPriorToDateOfMerger" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfSharesDilutedAfterMerger" id="cmmb_NumberOfSharesDilutedAfterMerger" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfStockAdssResveredForIssuance" id="cmmb_NumberOfStockAdssResveredForIssuance" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfStockReservedForIssuance" id="cmmb_NumberOfStockReservedForIssuance" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfVestedAndExercisable" id="cmmb_NumberOfVestedAndExercisable" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfWarrantsPurchaseUpAdss" id="cmmb_NumberOfWarrantsPurchaseUpAdss" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OneEmployeeOneOfficerConsultantAndSixBoardMember" id="cmmb_OneEmployeeOneOfficerConsultantAndSixBoardMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OperatingRightOfUseAssetsAndOperatingLeaseLiabilities" id="cmmb_OperatingRightOfUseAssetsAndOperatingLeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="OrdinarySharesMember" id="cmmb_OrdinarySharesMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OrdinarySharesNoParValuePerShareMember" id="cmmb_OrdinarySharesNoParValuePerShareMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="PaymentsToPurchaseOfDeposits" id="cmmb_PaymentsToPurchaseOfDeposits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="PercentageOfAggregateNumberOfOutstandingSecurities" id="cmmb_PercentageOfAggregateNumberOfOutstandingSecurities" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="PercentageOfAggregateNumberOfOutstandingSecuritiesOnFullyDilutedBasis" id="cmmb_PercentageOfAggregateNumberOfOutstandingSecuritiesOnFullyDilutedBasis" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ProceedsFromSaleOfAdss" id="cmmb_ProceedsFromSaleOfAdss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="ProceedsFromSaleOfAmericanDepositaryShares" id="cmmb_ProceedsFromSaleOfAmericanDepositaryShares" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="ProceedsFromSaleOfDeposits" id="cmmb_ProceedsFromSaleOfDeposits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="ReassessmentOfRightOfUseAsset" id="cmmb_ReassessmentOfRightOfUseAsset" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="RentAndMaintenanceGeneralAndAdministrativeExpense" id="cmmb_RentAndMaintenanceGeneralAndAdministrativeExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="RentAndMaintenanceResearchAndDevelopmentExpense" id="cmmb_RentAndMaintenanceResearchAndDevelopmentExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="RepurchaseArrangementMember" id="cmmb_RepurchaseArrangementMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="RepurchaseOfAmericanDepositaryReceipts" id="cmmb_RepurchaseOfAmericanDepositaryReceipts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="RepurchaseOfAmericanDepositaryReceiptsShares" id="cmmb_RepurchaseOfAmericanDepositaryReceiptsShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ResearchAndDevelopmentExpensesMember" id="cmmb_ResearchAndDevelopmentExpensesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="RestrictedOrdinarySharesMember" id="cmmb_RestrictedOrdinarySharesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="RetainedEarningsAccumulatedDeficits" id="cmmb_RetainedEarningsAccumulatedDeficits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="RothCapitalPartnersLlcMember" id="cmmb_RothCapitalPartnersLlcMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="SaleOfStockLineItems" id="cmmb_SaleOfStockLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="SaleOfStocksPricePerShare" id="cmmb_SaleOfStocksPricePerShare" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="SaleOfStockTable" id="cmmb_SaleOfStockTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" nillable="true"/>
  <element name="SalesAgreementWithLifesciCapitalLlcMember" id="cmmb_SalesAgreementWithLifesciCapitalLlcMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ScheduleOfGeneralAndAdministrativeTableTextBlock" id="cmmb_ScheduleOfGeneralAndAdministrativeTableTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ScheduleOfResearchAndDevelopmentTableTextBlock" id="cmmb_ScheduleOfResearchAndDevelopmentTableTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="SecurityHoldersOfAnchianoAsOfImmediatelyPriorToMergerMember" id="cmmb_SecurityHoldersOfAnchianoAsOfImmediatelyPriorToMergerMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAdsForfeituresInPeriod" id="cmmb_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdsForfeituresInPeriod" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAdsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice" id="cmmb_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageRemainingContractualTerm" id="cmmb_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsAcquiredInMergerWeightedAverageExercisePrice" id="cmmb_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsAcquiredInMergerWeightedAverageExercisePrice" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareBasedCompensationGeneralAndAdministrativeExpense" id="cmmb_ShareBasedCompensationGeneralAndAdministrativeExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="ShareBasedCompensationResearchAndDevelopmentExpense" id="cmmb_ShareBasedCompensationResearchAndDevelopmentExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="ShareholdingPercentageImmediatelyFollowingMerger" id="cmmb_ShareholdingPercentageImmediatelyFollowingMerger" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="SharesConvertiblePerShareOfAcquireeEntity" id="cmmb_SharesConvertiblePerShareOfAcquireeEntity" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="StockAndWarrantIssuedDuringPeriodNewIssues" id="cmmb_StockAndWarrantIssuedDuringPeriodNewIssues" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="StockAndWarrantsIssuedDuringPeriodValueNewIssues" id="cmmb_StockAndWarrantsIssuedDuringPeriodValueNewIssues" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="StockIssuedDuringPeriodAmericanDepositorySharesNewIssues" id="cmmb_StockIssuedDuringPeriodAmericanDepositorySharesNewIssues" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="StockIssuedDuringPeriodSharesRestrictedStockAwardsExercised" id="cmmb_StockIssuedDuringPeriodSharesRestrictedStockAwardsExercised" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="StockIssuedDuringPeriodSharesStockOptionsAcquiredInMerger" id="cmmb_StockIssuedDuringPeriodSharesStockOptionsAcquiredInMerger" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="StockIssuedDuringPeriodSharesStockOptionsExercised1" id="cmmb_StockIssuedDuringPeriodSharesStockOptionsExercised1" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="StockIssuedDuringPeriodSharesStockWarrantsExercised" id="cmmb_StockIssuedDuringPeriodSharesStockWarrantsExercised" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="StockIssuedDuringPeriodValueRestrictedStockAwardsExercised" id="cmmb_StockIssuedDuringPeriodValueRestrictedStockAwardsExercised" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="StockIssuedDuringPeriodValueStockWarrantsExercised" id="cmmb_StockIssuedDuringPeriodValueStockWarrantsExercised" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="TotalConsiderationOfRepurchaseOfAmericanDepositaryReceipts" id="cmmb_TotalConsiderationOfRepurchaseOfAmericanDepositaryReceipts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="TwoThousandFifteenPlanMember" id="cmmb_TwoThousandFifteenPlanMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="TwoThousandsFifteenPlanMember" id="cmmb_TwoThousandsFifteenPlanMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="TwoThousandsSeventeenPlanMember" id="cmmb_TwoThousandsSeventeenPlanMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="WarrantsExercisablePeriod" id="cmmb_WarrantsExercisablePeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="WeightedAveragePriceOfRepurchaseOfAmericanDepositaryReceipts" id="cmmb_WeightedAveragePriceOfRepurchaseOfAmericanDepositaryReceipts" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
</schema>
