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    <import namespace="http://fasb.org/srt/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd" />
    <import namespace="http://xbrl.sec.gov/cyd/2026" schemaLocation="https://xbrl.sec.gov/cyd/2026/cyd-2026.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
    <element id="bivi_ClassCommonStock0.0001ParValuePerShareMember" name="ClassCommonStock0.0001ParValuePerShareMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_WarrantsToPurchaseClassCommonStock0.0001ParValuePerShareMember" name="WarrantsToPurchaseClassCommonStock0.0001ParValuePerShareMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_TreasuryStocksMember" name="TreasuryStocksMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_AcuitasGroupHoldingsLLCMember" name="AcuitasGroupHoldingsLLCMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_WarrantsMember" name="WarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_SalesAgreementMember" name="SalesAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_PrefundedWarrantsMember" name="PrefundedWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_CommonWarrantsMember" name="CommonWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_PlacementAgentsWarrantsMember" name="PlacementAgentsWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_September2024OfferingMember" name="September2024OfferingMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_SeptemberPlacementAgentsWarrantsMember" name="SeptemberPlacementAgentsWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_OctoberCommonWarrantsMember" name="OctoberCommonWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_OctoberPlacementAgentsWarrantsMember" name="OctoberPlacementAgentsWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_VendorMember" name="VendorMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_StockOptionsMember" name="StockOptionsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_EmployeeMember" name="EmployeeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_EmployeesMember" name="EmployeesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_FourDirectorMember" name="FourDirectorMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_TwoDirectorsMember" name="TwoDirectorsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ThreeDirectorsMember" name="ThreeDirectorsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_AdvisoryBoardMember" name="AdvisoryBoardMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ConsultantMember" name="ConsultantMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_Year2027Member" name="Year2027Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_Year2028Member" name="Year2028Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_Year2029Member" name="Year2029Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_Year2030Member" name="Year2030Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_Year2031Member" name="Year2031Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_OfficeLeasesMember" name="OfficeLeasesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_StockbasedCompensationRestrictedStockUnitsAndRestricted" name="StockbasedCompensationRestrictedStockUnitsAndRestricted" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ProceedsFromIssuanceOfCommonStockNetCosts" name="ProceedsFromIssuanceOfCommonStockNetCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ProceedsFromIssuanceOfCommonStockNetOfCostsOfShares" name="ProceedsFromIssuanceOfCommonStockNetOfCostsOfShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_IssuanceOfCommonStockFromVestingOfRestrictedStockUnits" name="IssuanceOfCommonStockFromVestingOfRestrictedStockUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_IssuanceOfCommonStockFromVestingOfRestrictedStockUnitsShares" name="IssuanceOfCommonStockFromVestingOfRestrictedStockUnitsShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_StockbasedCompensationIssuanceOfCommonStockForServicesRendered" name="StockbasedCompensationIssuanceOfCommonStockForServicesRendered" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_StockbasedCompensationIssuanceOfCommonStockForServicesRenderedShares" name="StockbasedCompensationIssuanceOfCommonStockForServicesRenderedShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_IssuanceOfCommonStockFromExerciseOfWarrants" name="IssuanceOfCommonStockFromExerciseOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_IssuanceOfCommonStockFromExerciseOfWarrantsShares" name="IssuanceOfCommonStockFromExerciseOfWarrantsShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_IssuanceOfCommonStockFromCashlessExerciseOfWarrants" name="IssuanceOfCommonStockFromCashlessExerciseOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_IssuanceOfCommonStockFromCashlessExerciseOfWarrantsShares" name="IssuanceOfCommonStockFromCashlessExerciseOfWarrantsShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_DeemedDividendForRatchetAdjustmentToWarrants" name="DeemedDividendForRatchetAdjustmentToWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_IssuanceOfAdditionalSharesForFractionalSharesEffectedByReverseSplit" name="IssuanceOfAdditionalSharesForFractionalSharesEffectedByReverseSplit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_IssuanceOfAdditionalSharesForFractionalSharesEffectedByReverseSplitShares" name="IssuanceOfAdditionalSharesForFractionalSharesEffectedByReverseSplitShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_StockbasedCompensationRestrictedStockUnitsAndRestrictedShares" name="StockbasedCompensationRestrictedStockUnitsAndRestrictedShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_StockBasedCompensationExpenseIssuanceOfCommonStockForServicesRendered" name="StockBasedCompensationExpenseIssuanceOfCommonStockForServicesRendered" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_AccretionOfUnearnedLoanDiscount" name="AccretionOfUnearnedLoanDiscount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_AccretionOfLoanPremium" name="AccretionOfLoanPremium" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_NoncashLeaseExpenseFromRightofuseAssets" name="NoncashLeaseExpenseFromRightofuseAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_IncreaseDecreaseInGrantReceivable" name="IncreaseDecreaseInGrantReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_PaymentsForLoan" name="PaymentsForLoan" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_DeemedDividendOfRatchetAdjustmentsToWarrants" name="DeemedDividendOfRatchetAdjustmentsToWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_DisclosureLeasesAbstract" name="DisclosureLeasesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_DisclosureEmployeeBenefitPlanAbstract" name="DisclosureEmployeeBenefitPlanAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_EmployeeBenefitPlanTextBlock" name="EmployeeBenefitPlanTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ConcentrationOfCreditRiskinTheFinancialServiceIndustryPolicyTextBlock" name="ConcentrationOfCreditRiskinTheFinancialServiceIndustryPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_PrepaidAndOtherAssetsPolicyTextBlock" name="PrepaidAndOtherAssetsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_GrantProgramPolicyTextBlock" name="GrantProgramPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_LesseeOperatingLeaseLiabilityTableTextBlock" name="LesseeOperatingLeaseLiabilityTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ScheduleOfFutureEstimatedMinimumLeasePaymentsUnderNonCancelableOperatingLeases" name="ScheduleOfFutureEstimatedMinimumLeasePaymentsUnderNonCancelableOperatingLeases" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateTableTextBlock" name="ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_CostIncurred" name="CostIncurred" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_CostReimbursed" name="CostReimbursed" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_GrantReimbursements" name="GrantReimbursements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_WorkingCapital" name="WorkingCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_StockholderEquities" name="StockholderEquities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_AccumulatedDeficit" name="AccumulatedDeficit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantedWeightedAverageRemainingContractualTerm" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantedWeightedAverageRemainingContractualTerm" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExerciseCanceledPrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExerciseCanceledPrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsIssuedNumberOfShares" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsIssuedNumberOfShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_IssuanceOfCommonStockForCashShares" name="IssuanceOfCommonStockForCashShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_IssuanceOfCommonStockForCash" name="IssuanceOfCommonStockForCash" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_CommissionsPercentage" name="CommissionsPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_PurchaseOfCommonStockShares" name="PurchaseOfCommonStockShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_WarrantsExercised" name="WarrantsExercised" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_CommonStockIssued" name="CommonStockIssued" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_OfferingShares" name="OfferingShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_OfferingPricePerShare" name="OfferingPricePerShare" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_NumbersOfWarrantsPurchase" name="NumbersOfWarrantsPurchase" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_AgentFeesAndOfferingExpenses" name="AgentFeesAndOfferingExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_NumberOfPrefundedUnits" name="NumberOfPrefundedUnits" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_AdditionalWarrantsPurchased" name="AdditionalWarrantsPurchased" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_SharePriceDescription" name="SharePriceDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_NumberOfStockOptionsPurchased" name="NumberOfStockOptionsPurchased" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_FairValueOfStockOptions" name="FairValueOfStockOptions" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_NumberOfAwardedBonusAndRetentionIncentiveStockOptions" name="NumberOfAwardedBonusAndRetentionIncentiveStockOptions" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
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    <element id="bivi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExcersiedIntrinsicValue1" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExcersiedIntrinsicValue1" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ShareBasedCompensationArrangementByShareBasedPaymentAwardRSUsForfeituresInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardRSUsForfeituresInPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_SharesIssuedOverVestingPeriod" name="SharesIssuedOverVestingPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_PrefundedWarrants" name="PrefundedWarrants" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_PropertySubjectToOrAvailableForOperatingLeasesAxis" name="PropertySubjectToOrAvailableForOperatingLeasesAxis" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" />
    <element id="bivi_PropertySubjectToOrAvailableForOperatingLeasesDomain" name="PropertySubjectToOrAvailableForOperatingLeasesDomain" abstract="true" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_SaleLeasebackTransactionMonthlyRentalPayment" name="SaleLeasebackTransactionMonthlyRentalPayment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_CashPaidForAmountsIncludedInMeasurementOfOperatingLeaseLiabilities" name="CashPaidForAmountsIncludedInMeasurementOfOperatingLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ExpirationsDates" name="ExpirationsDates" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_DiscreteTaxBenefit" name="DiscreteTaxBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ClinicalStudies" name="ClinicalStudies" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ClinicalTeams" name="ClinicalTeams" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_ChemistryManufacturingAndControls" name="ChemistryManufacturingAndControls" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_OtherResearchAndDevelopmentExpenses" name="OtherResearchAndDevelopmentExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_SellingGeneralAndAdministrativeExpenses" name="SellingGeneralAndAdministrativeExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="bivi_NetLoss" name="NetLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
