MORGAN STANLEY HEALTH SCIENCES TRUST
1221 Avenue of the Americas
New York, NY 10020
November 22, 2006
Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street, N.W.
Washington, D.C. 20549
Attention: Larry Greene, Division of Investment Management
Mail Stop 0505
RE: MORGAN STANLEY HEALTH SCIENCES TRUST
(FILE NOS. 33-48189 AND 811-6683)
Dear Mr. Greene:
Thank you for your telephonic comments regarding the registration statement on
Form N-1A for Morgan Health Sciences Fund (the "Fund") filed with the Securities
and Exchange Commission on September 27, 2006. Below, we describe the changes
made to the registration statement in response to the Staff's comments and
provide any responses to or any supplemental explanations of such comments, as
requested. These changes will be reflected in post-effective amendment number 19
to the Fund's registration statement on Form N-1A, which will be filed via EDGAR
on or about November 22, 2006.
GENERAL COMMENTS TO FORM N-1A
-----------------------------
COMMENT 1. PLEASE FILE A RESPONSE LETTER TO THESE COMMENTS VIA EDGAR,
INCLUDING THE "TANDY" PROVISION.
Response 1. This response letter addressing the Staff's
comments has been filed via EDGAR correspondence, including
the "Tandy" provision, separate from the corresponding
Post-Effective Amendment.
COMMENTS TO THE PROSPECTUS
--------------------------
COMMENT 2. PLEASE NOTE THAT CERTAIN SIDEBARS IN THE PROSPECTUS APPEAR IN
ALL CAPS IN THE EDGAR FILINGS WITH THE COMMISSION. PLEASE
CONFIRM THAT THEY ARE NOT IN ALL CAPS AS THEY APPEAR IN THE
PRINTED PROSPECTUS.
Response 2. This disclosure appears in italics in the Fund's
printed prospectus, not all caps.
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COMMENT 3. CONSIDER ADDING DISCLOSURE REGARDING JUNK CONVERTIBLE
SECURITIES, TO THE EXTENT THE FUND INVESTS IN THESE
SECURITIES, TO THE "PRINCIPAL INVESTMENT STRATEGIES" SECTION.
Response 3. Since the Fund may only invest up to 5% of its
total net assets in junk convertible securities, we do not
consider it a principal investment strategy of the Fund.
Therefore, we believe the current risk disclosure in the SAI
with respect to invesetments in junk convertible securities
is sufficient.
COMMENT 4. IN THE "FEES AND EXPENSES" SECTION OF THE PROSPECTUS, CONSIDER
MOVING THE FOOTNOTES TO AFTER THE EXAMPLE.
Response 4. We respectfully acknowledge the comment, but
believe the current placement of the footnotes is
appropriate. We believe to move the footnotes to below the
Example would diminish the impact of the information and
could result in a shareholder being unable to locate the
footnotes.
COMMENTS TO THE SAI
-------------------
COMMENT 5. PLEASE ADD A DESCRIPTION OF THE FUND'S POLICIES WITH RESPECT
TO BORROWING AND ISSUANCE OF SENIOR SECURITIES TO THE SAI.
Response 5. The SAI currently includes such disclosure.
Please see the section titled "Description of the Fund and
Its Investments and Risks - Investment Strategies and Risks
- Borrowing."
As you have requested and consistent with SEC Release 2004-89, the Fund hereby
acknowledges that:
o the Fund is responsible for the adequacy and accuracy of the disclosure
in the filings;
o the Staff's comments or changes to disclosure in response to Staff
comments in the filings reviewed by the Staff do not foreclose the
Commission from taking any action with respect to the filings; and
o the Fund may not assert Staff comments as a defense in any proceeding
initiated by the Commission or any person under the federal securities
laws of the United States.
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If you would like to discuss any of these responses in further detail or if you
have any questions, please feel free to contact me at (212) 762-6810. Thank you.
Sincerely,
/s/ Eric C. Griffith
Eric C. Griffith