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<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4>SECURITIES AND
EXCHANGE COMMISSION </FONT></H1>

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<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4>WASHINGTON, D. C. 20549 </FONT></H1>

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<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4>FORM 8-K </FONT></H1>

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<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>CURRENT REPORT </FONT></P>

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<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>PURSUANT TO SECTION 13
OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 </FONT></P>

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<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Date of Report </FONT></P>

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<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>March 1, 2004 </FONT></P>

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<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>MedImmune, Inc.<BR>(Exact
name of registrant as specified in its charter) </FONT></H1>


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     <TD WIDTH="33%" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Delaware</FONT></TD>
     <TD WIDTH="33%" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE=2>0-19131</FONT></TD>
     <TD WIDTH="34%" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE=2>52-1555759</FONT></TD></TR>
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     <TD ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>(State or other jurisdiction of</FONT></TD>
     <TD ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>(Commission File No.)</FONT></TD>
     <TD ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>(I.R.S. Employer Identification No.)</FONT></TD></TR>
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     <TD ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;incorporation or organization)</FONT></TD>
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<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>35 West Watkins Mill
Road, Gaithersburg, MD 20878<BR>(Address of principal executive offices) (Zip Code) </FONT></P>

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<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Registrant&#146;s
telephone number, including area code (301) 417-0770 </FONT></P>




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<H1 ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>Item 9. Regulation FD
Disclosure. </FONT></H1>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On
March 1, 2004, MedImmune, Inc. (the &#147;Company&#148;) issued a press release announcing
the Company&#146;s financial guidance for 2004 and long-term perspective through 2009, and
will conduct a previously announced publicly available conference call to discuss the
guidance and long-term perspective. A copy of the Company&#146;s press release is attached
hereto as Exhibit 99.1 and is incorporated herein by reference. </FONT></P>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This information is being furnished pursuant to Item 9 of Form 8-K and is not deemed to be filed for the purposes of Section 18 of
the Securities Exchange Act of 1934 and is not incorporated by reference into any registration statements filed under the Securities
Act of 1933 or any report filed under the Securities Exchange Act of 1934. </FONT></P>


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<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4>SIGNATURE </FONT></H1>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Pursuant to the requirements of the
Securities Exchange Act of 1934, the registrant has duly caused this report to be signed
on its behalf by the undersigned hereunto duly authorized. </FONT></P>

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<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4>MEDIMMUNE, INC. </FONT></H1>

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<BR>BY: /s/ Lota S. Zoth<BR>&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;<BR>
Lota S. Zoth<BR>Vice President, Controller and<BR> Acting Chief Financial Officer</FONT></TD>
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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Dated:  March 1, 2004 </FONT></P>

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<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4>EXHIBIT INDEX </FONT></H1>

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<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2><U>Exhibit</U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<U>Description</U></FONT></P>

 <P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>    99.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Press release, dated March 1, 2004, "MedImmune Provides Financial Guidance for 2004 and Long-Term Perspective Through 2009"</FONT></P>
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{"company-data": {"conformed-name": "MEDIMMUNE INC /DE", "cik": "0000873591", "assigned-sic": "2836", "irs-number": "521555759", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-19131", "film-number": "04637376"}, "business-address": {"street1": "35 W WATKINS MILL RD", "city": "GAITHERSBURG", "state": "MD", "zip": "20878", "phone": "3014170770"}, "mail-address": {"street1": "35 W WATKINS MILL ROAD", "city": "GAITHERSBURG", "state": "MD", "zip": "20878"}}
SECURITIES AND
EXCHANGE COMMISSION
WASHINGTON, D. C. 20549
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13
OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
Date of Report
March 1, 2004
MedImmune, Inc.
(Exact
name of registrant as specified in its charter)
Delaware
0-19131
52-1555759
(State or other jurisdiction of
(Commission File No.)
(I.R.S. Employer Identification No.)
incorporation or organization)
35 West Watkins Mill
Road, Gaithersburg, MD 20878
(Address of principal executive offices) (Zip Code)
Registrant's
telephone number, including area code (301) 417-0770
Item 9. Regulation FD
Disclosure.
On
March 1, 2004, MedImmune, Inc. (the "Company") issued a press release announcing
the Company's financial guidance for 2004 and long-term perspective through 2009, and
will conduct a previously announced publicly available conference call to discuss the
guidance and long-term perspective. A copy of the Company's press release is attached
hereto as Exhibit 99.1 and is incorporated herein by reference.
This information is being furnished pursuant to Item 9 of Form 8-K and is not deemed to be filed for the purposes of Section 18 of
the Securities Exchange Act of 1934 and is not incorporated by reference into any registration statements filed under the Securities
Act of 1933 or any report filed under the Securities Exchange Act of 1934.
SIGNATURE
Pursuant to the requirements of the
Securities Exchange Act of 1934, the registrant has duly caused this report to be signed
on its behalf by the undersigned hereunto duly authorized.
MEDIMMUNE, INC.
BY: /s/ Lota S. Zoth
——————————————
Lota S. Zoth
Vice President, Controller and
Acting Chief Financial Officer
Dated:  March 1, 2004
EXHIBIT INDEX
Exhibit
Description
99.1                  Press release, dated March 1, 2004, "MedImmune Provides Financial Guidance for 2004 and Long-Term Perspective Through 2009"