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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>August 14, 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>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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<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>ITEM 5. Other Events </FONT></P>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>On August 14, 2003, MedImmune, Inc. (the "Company"), issued a press release announcing that David Baltimore, Ph.D.,
a world-renowned scientist, has been appointed to its board of directors.  He replaces Franklin H. Top, Jr., M.D., who is retiring
from the board of directors after 15 years of service.  With this transition, MedImmune's nine-member board of directors includes six independent directors.
A copy of the Company's press release describing this event is attached hereto as Exhibit 99.1 and is incorporated herein by reference. </FONT></P>



<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>ITEM 7. Exhibits </FONT></P>
<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Exhibits </FONT></P>
<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Ex. 99.1 - Press release, dated August 14, 2003, "MedImmune Announces Addition of David Baltimore, Ph.D. to Board of Directors" </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 and Controller <BR> Principal Accounting Officer</FONT></TD>
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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Dated:  August 14, 2003 </FONT></P>



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Dr. David Baltimore Announced to Board of Directors
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
August 14, 2003
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 5. Other Events
On August 14, 2003, MedImmune, Inc. (the "Company"), issued a press release announcing that David Baltimore, Ph.D.,
a world-renowned scientist, has been appointed to its board of directors.  He replaces Franklin H. Top, Jr., M.D., who is retiring
from the board of directors after 15 years of service.  With this transition, MedImmune's nine-member board of directors includes six independent directors.
A copy of the Company's press release describing this event is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
ITEM 7. Exhibits
c.        Exhibits
Ex. 99.1 - Press release, dated August 14, 2003, "MedImmune Announces Addition of David Baltimore, Ph.D. to Board of Directors"
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:  August 14, 2003