-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 k3Ot/hjVyw/vhAStHhChGA==

<SEC-DOCUMENT>0000912057-02-015211.txt : 20020416
<SEC-HEADER>0000912057-02-015211.hdr.sgml : 20020416
ACCESSION NUMBER:		0000912057-02-015211
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20020416

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CREDIT SUISSE MUNICIPAL BOND FUND INC
		CENTRAL INDEX KEY:			0001067475
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0831

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-60685
		FILM NUMBER:		02611928

	BUSINESS ADDRESS:	
		STREET 1:		466 LEXINGTON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017-3147
		BUSINESS PHONE:		2127166081

	MAIL ADDRESS:	
		STREET 1:		466 LEXINGTON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017-3147

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WARBURG PINCUS MUNICIPAL BOND FUND INC
		DATE OF NAME CHANGE:	19980804
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>a2076923z497.txt
<DESCRIPTION>497
<TEXT>
<Page>

     SUPPLEMENT TO THE COMMON CLASS PROSPECTUS AND STATEMENT OF ADDITIONAL
                                  INFORMATION

                        CREDIT SUISSE MUNICIPAL BOND FUND

     THE FOLLOWING INFORMATION SUPERSEDES CERTAIN INFORMATION IN THE FUND'S
COMMON CLASS PROSPECTUS AND STATEMENT OF ADDITIONAL INFORMATION.

Gregg M. Diliberto now serves as the Portfolio Manager of the fund. Patrick A.
Bittner no longer serves as Co-Portfolio Manager of the fund.

Dated: April 16, 2002                                              WPMBD-16-0402

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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