CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


We consent to the incorporation by reference in this Post-Effective Amendment
No. 38 to Registration Statement No. 2-82510 on Form N-1A of our report dated
February 22, 2006, relating to the financial statements and financial highlights
of Morgan Stanley Variable Investment Series (the "Fund"), including the Money
Market Portfolio, Limited Duration Portfolio, Income Plus Portfolio, High Yield
Portfolio, Utilities Portfolio, Income Builder Portfolio, Dividend Growth
Portfolio, Global Dividend Growth Portfolio, European Equity Portfolio, Equity
Portfolio, S&P 500 Index Portfolio, Global Advantage Portfolio, Aggressive
Equity Portfolio, Information Portfolio and Strategist Portfolio, appearing in
the Annual Report on Form N-CSR of the Fund for the year ended December 31,
2005, and to the references to us on the cover page of the Statement of
Additional Information and under the captions "Financial Highlights" in the
Prospectuses and "Custodian and Independent Registered Public Accounting Firm"
and "Financial Statements" in the Statement of Additional Information, which are
part of such Registration Statement.

Deloitte & Touche LLP
New York, New York
April 19, 2006