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      <OtherLiabilitiesOrgGrp>
        <Desc>Deferred compensation liability</Desc>
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      <OtherLiabilitiesOrgGrp>
        <Desc>Security deposit</Desc>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <RevenueNotReportedFinclStmtAmt>-78417</RevenueNotReportedFinclStmtAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>Management evaluated the Institute's tax positions and concluded that the Institute's financial statements do not include any uncertain tax positions.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Rental Expense -78,417.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Rental Expense 78,417.</ExplanationTxt>
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    </IRS990ScheduleD>
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      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>South Asia</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Grants to recipients located in region</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>Typhoid study sites, Vaccine Acceptance Small Grants Program awardee</SpecificServicesProvidedTxt>
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      <AccountActivitiesOutsideUSGrp>
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        <EmployeeCnt>0</EmployeeCnt>
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      <AccountActivitiesOutsideUSGrp>
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        <EmployeeCnt>0</EmployeeCnt>
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      <AccountActivitiesOutsideUSGrp>
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        <EmployeeCnt>0</EmployeeCnt>
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        <SpecificServicesProvidedTxt>Bulk drug substance production for ebola/marburg, Vaccine Acceptance Small Grants Program awardee</SpecificServicesProvidedTxt>
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      <GrantsToOrgOutsideUSGrp>
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      <GrantsToOrgOutsideUSGrp>
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      <GrantsToOrgOutsideUSGrp>
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      <GrantsToOrgOutsideUSGrp>
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        <PersonNm>Knobler Stacey</PersonNm>
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        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>21780</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>219815</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Form 990 is prepared by an outside tax accounting firm based on independently audited financial statements. The Form 990 is then reviewed by the Director, Accounting and COO. Then the Form 990 is presented to the CEO and Finance and Audit Committee for their review and approval. Finally it is presented to the full Board of Trustees for their review before filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Sabin's management, Board Chair and Governance Committee are reponsible for ensuring the conflict of interest policy is up-to-date and adhered to by the Trustees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>Compensation of officers and/or key employees is set in consultation with input from the Board, Executive Committe or Chair as appropriate. Sabin uses a mix of data points including: independent salary surveys; comparable pay by similar organizations; compensation firms and our own internal pay scale.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Governing documents (upon request), conflict of interest policy (upon request), and financial statement and Form 990 (Sabin's website).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, line 11g</FormAndLineReferenceDesc>
        <ExplanationTxt>Transcription/translation service: Program service expenses 17,194. Management and general expenses 0. Fundraising expenses 0. Total expenses 17,194. Consultants: Program service expenses 2,906,666. Management and general expenses 105,001. Fundraising expenses 405. Total expenses 3,012,072. Contractor: Program service expenses 309,247. Management and general expenses 0. Fundraising expenses 0. Total expenses 309,247.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>Return of contribution income -9,787.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2c:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization has a Finance and Audit Committee that assumes responsibility for oversight of the audit. This process is consistent with prior years.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>