<ARTICLE>                     5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF OPERATIONS OF ADVANCED
VIRAL RESEARCH CORP. FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1999 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>

                                                       
<PERIOD-TYPE>                                            9-MOS
<FISCAL-YEAR-END>                                  DEC-31-1998
<PERIOD-START>                                      JAN-1-1999
<PERIOD-END>                                       SEP-30-1999
<CASH>                                               1,308,378
<SECURITIES>                                                 0
<RECEIVABLES>                                                0
<ALLOWANCES>                                                 0
<INVENTORY>                                             19,729
<CURRENT-ASSETS>                                     1,363,946
<PP&E>                                               1,093,548  <F1>
<DEPRECIATION>                                               0
<TOTAL-ASSETS>                                       3,020,770
<CURRENT-LIABILITIES>                                  623,170
<BONDS>                                                      0
<PREFERRED-MANDATORY>                                        0
<PREFERRED>                                                  0
<COMMON>                                                 3,032
<OTHER-SE>                                                   0
<TOTAL-LIABILITY-AND-EQUITY>                         3,020,770
<SALES>                                                  6,517
<TOTAL-REVENUES>                                        34,468
<CGS>                                                        0
<TOTAL-COSTS>                                                0
<OTHER-EXPENSES>                                     4,133,335
<LOSS-PROVISION>                                             0
<INTEREST-EXPENSE>                                     920,595
<INCOME-PRETAX>                                     (4,098,867)
<INCOME-TAX>                                                 0
<INCOME-CONTINUING>                                          0
<DISCONTINUED>                                               0
<EXTRAORDINARY>                                              0
<CHANGES>                                                    0
<NET-INCOME>                                        (4,098,867)
<EPS-BASIC>                                            (0.01)
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