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<TITLE> November 17, 2003 Press Release</TITLE>
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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>November 17, 2003 </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>000-19131</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
November 17, 2003, MedImmune, Inc. (the &#147;Company&#148;) issued a press release
announcing revised guidance for the 2003 fourth quarter and full year, and will conduct a
publicly available conference call to discuss the revised guidance on November 18, 2003 at
8:00 a.m. Eastern Time. 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 Items 9 and 12 of Form 8-K and is being
presented under Item 9 of Form 8-K in accordance with interim guidance issued by the
Securities and Exchange Commission in Release Nos. 33-8216 and 34-47583. This information
is not deemed to be &#147;filed&#148; 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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<TD WIDTH=50%><FONT FACE="Times New Roman, Times, Serif" SIZE=2><B></B><BR><BR>
<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 and Controller <BR> Principal Accounting Officer</FONT></TD>
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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Dated:  November 17, 2003 </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><I>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Exhibit
Description</I> </FONT></P>

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<TD WIDTH=5%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp; </FONT></TD>
<TD WIDTH=5%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp; </FONT></TD>
<TD WIDTH=10%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>99.1 </FONT></TD>
<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp; </FONT></TD>
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Press release, dated November 17, 2003, &#147;MedImmune Provides Update to FluMist Launch
and Revises Guidance for 2003 Fourth Quarter and Full Year&#148; </FONT></TD>
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November 17, 2003 Press Release
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
November 17, 2003
MedImmune, Inc.
(Exact
name of registrant as specified in its charter)
Delaware
000-19131
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
November 17, 2003, MedImmune, Inc. (the "Company") issued a press release
announcing revised guidance for the 2003 fourth quarter and full year, and will conduct a
publicly available conference call to discuss the revised guidance on November 18, 2003 at
8:00 a.m. Eastern Time. 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 Items 9 and 12 of Form 8-K and is being
presented under Item 9 of Form 8-K in accordance with interim guidance issued by the
Securities and Exchange Commission in Release Nos. 33-8216 and 34-47583. This information
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 and Controller
Principal Accounting Officer
Dated:  November 17, 2003
EXHIBIT INDEX
Exhibit
Description
99.1
Press release, dated November 17, 2003, "MedImmune Provides Update to FluMist Launch
and Revises Guidance for 2003 Fourth Quarter and Full Year"