UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934



NAME OF ISSUER				MERIDIAN BIOSCIENCE INC

TITLE OF CLASS OF SECURITIES		Common

CUSIP NUMBER				589584101


The remainder of this cover page shall be filled out
 for a reporting person's initial
filing on this form with respect to the subject class of
securities, and for any
subsequent amendment containing information which
would alter the disclosures provided in
a prior cover page.

The information required in the remainder of this
cover page shall not be deemed to be
"filed" for the purpose of Section 18 of the
Securities Exchange Act of 1934 ("Act") or
otherwise subject to the liabilities of that
section of the Act but shall be subject to
all other provisions of the Act (however, see the Notes).
























Page 1 of 11 Pages


13G

CUSIP No.	589584101							Page 2 of 11 Pages
------------------------------------------------------------------------------
1.	Name of reporting person
S.S. or I.R.S. identification no. of above person

	Marsh & McLennan Companies, Inc.
	36-2668272
------------------------------------------------------------------------------
2.	Check the appropriate box if a member of a group*
	(a)(   )		(b)(   )
------------------------------------------------------------------------------
3.	SEC use only

------------------------------------------------------------------------------
4.	Citizenship or place of organization

	Delaware
------------------------------------------------------------------------------
				5.	Sole Voting Power

						NONE
					-----------------------------
Number of shares	)	6.	Shared Voting Power
Beneficially	)
Owned by each	)			NONE
Reporting		)			-----------------------------
Person with:	)	7.	Sole Dispositive Power

						NONE
					-----------------------------
				8.	Shared Dispositive Power

						NONE
------------------------------------------------------------------------------
9.	Aggregate amount beneficially owned by each reporting person

	NONE
------------------------------------------------------------------------------
10.	Check box if the aggregate amount in row (9) excludes certain shares*

------------------------------------------------------------------------------
11.	Percent of class represented by amount in row 9

	NONE
------------------------------------------------------------------------------
12.	Type of Reporting person*

	HC
------------------------------------------------------------------------------


13G

CUSIP No. 589584101							Page 3 of 11 Pages
------------------------------------------------------------------------------
1.	Name of reporting person
	S.S. or I.R.S. identification no. of above person

	Putnam Investments, LLC.
	04-2539558
------------------------------------------------------------------------------
2.	Check the appropriate box if a member of a group*
		(a)(   )		(b)(   )
------------------------------------------------------------------------------
3.	SEC use only

------------------------------------------------------------------------------
4.	Citizenship or place of organization

		Massachusetts
------------------------------------------------------------------------------
				5.	Sole Voting Power

						NONE
Number of	 shares	)			-----------------------------
Beneficially	)	6.	Shared Voting Power
owned by each	)
						174,220
Reporting		)
Person with:	)			-----------------------------
				7.	Sole Dispositive Power

						NONE
					-----------------------------
				8.	Shared Dispositive Power

						1,660,320
------------------------------------------------------------------------------
9.	Aggregate amount beneficially owned by each reporting person

		1,660,320

------------------------------------------------------------------------------
10.	Check box if the aggregate amount in row (9) excludes certain shares*

------------------------------------------------------------------------------
11.	Percent of class represented by amount in row 9

		11.4%
------------------------------------------------------------------------------
12.	Type of Reporting person*

	HC
------------------------------------------------------------------------------


13G

CUSIP No. 589584101							Page 4 of 11 Pages
------------------------------------------------------------------------------
1.	Name of reporting person
	S.S. or I.R.S. identification no. of above person

	Putnam Investment Management, LLC.
	04-2471937
------------------------------------------------------------------------------
2.	Check the appropriate box if a member of a group*
		(a)(   )		(b)(   )
------------------------------------------------------------------------------
3.	SEC use only

------------------------------------------------------------------------------
4.	Citizenship or place of organization

	Massachusetts
------------------------------------------------------------------------------
				5.	Sole Voting Power

						NONE
Number of	 shares	)			-----------------------------
Beneficially	)	6.	Shared Voting Power
Owned by each	)
Reporting		)			NONE
Person with:	)			-----------------------------
				7.	Sole Dispositive Power

						NONE
					-----------------------------
			8.	Shared Dispositive Power

						1,111,500
------------------------------------------------------------------------------
9.	Aggregate amount beneficially owned by each reporting person

		1,111,500
------------------------------------------------------------------------------
10.	Check box if the aggregate amount in row (9) excludes certain shares*

------------------------------------------------------------------------------
11.	Percent of class represented by amount in row 9

		7.6%
------------------------------------------------------------------------------
12.	Type of Reporting person*

	IA
------------------------------------------------------------------------------


13G

CUSIP No. 589584101							Page 5 of 11 Pages
------------------------------------------------------------------------------
1.	Name of reporting person
	S.S. or I.R.S. identification no. of above person

	The Putnam Advisory Company, LLC.
	04-6187127
------------------------------------------------------------------------------
2.	Check the appropriate box if a member of a group*
		(a)(   )		(b)(   )
------------------------------------------------------------------------------
3.	SEC use only

------------------------------------------------------------------------------
4.	Citizenship or place of organization

		Massachusetts
------------------------------------------------------------------------------
				5.	Sole Voting Power

						NONE
Number of	 shares	)			-----------------------------
Beneficially	)	6.	Shared Voting Power
Owned by each	)
Reporting		)			174,220
Person with:	)			-----------------------------
				7.	Sole Dispositive Power

						NONE
					-----------------------------
				8.	Shared Dispositive Power

						548,820
------------------------------------------------------------------------------
9.	Aggregate amount beneficially owned by each reporting person

		548,820
------------------------------------------------------------------------------
10.	Check box if the aggregate amount in row (9) excludes certain shares*

------------------------------------------------------------------------------
11.	Percent of class represented by amount in row 9

	3.8%
------------------------------------------------------------------------------
12.	Type of Reporting person*

	IA
------------------------------------------------------------------------------



13G

CUSIP No. 589584101							Page 6 of 11 Pages
------------------------------------------------------------------------------
1.	Name of reporting person
	S.S. or I.R.S. identification no. of above person

	Putnam smal Cap Value Fund
------------------------------------------------------------------------------
2.	Check the appropriate box if a member of a group*
		(a)(   )		(b)(   )
------------------------------------------------------------------------------
3.	SEC use only

------------------------------------------------------------------------------
4.	Citizenship or place of organization

		Massachusetts
------------------------------------------------------------------------------
				5.	Sole Voting Power

						NONE
Number of	 shares	)			-----------------------------
Beneficially	)	6.	Shared Voting Power
Owned by each	)
Reporting		)			NONE
Person with:	)			-----------------------------
				7.	Sole Dispositive Power

						NONE
					-----------------------------
				8.	Shared Dispositive Power

						817,500
------------------------------------------------------------------------------
9.	Aggregate amount beneficially owned by each reporting person

	817,500
------------------------------------------------------------------------------
10.	Check box if the aggregate amount in row (9) includes certain shares*

------------------------------------------------------------------------------
11.	Percent of class represented by amount in row 9

		5.6000822%
------------------------------------------------------------------------------
12.	Type of Reporting person*

	IC
------------------------------------------------------------------------------

SECURITIES AND EXCHANGE COMMISSION
Washington, D. C.  20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. 1)



Item 1(a)	Name of Issuer:		MERIDIAN BIOSCIENCE INC

Item 1(b)	Address of Issuer's Principal Executive Offices:

3471 RIVER HILLS DRIVE, , CINCINNATI, OH  45244

Item 2(a)						Item 2(b)

Name of Person Filing:				Address or Principal Office or, if NONE,
Residence:

Putnam Investments, LLC.			One Post Office Square
	("PI")						Boston, Massachusetts 02109
on behalf of itself and:

*Marsh & McLennan Companies, Inc.		1166 Avenue of the Americas
	("MMC")						New York, NY  10036

Putnam Investment Management, LLC.		One Post Office Square
	("PIM")						Boston, Massachusetts 02109

The Putnam Advisory Company, LLC.		One Post Office Square
	("PAC")						Boston, Massachusetts 02109

**Putnam smal Cap Value Fund				One Post Office Square
						Boston, Massachusetts  02109


Item 2(c)		Citizenship:  PI, PIM and PAC are
 limited liability companies organized
under Massachusetts law.  The citizenship of other persons identified
in Item 2(a) is designated as follows:

			*	Corporation - Delaware law
			**	Voluntary association known as Massachusetts business trust -
Massachusetts law


Item 2(d)		Title of Class of Securities:	Common

Item 2(e)		Cusip Number:	589584101

Page 7 of 11 Pages



Item 3.	If this statement is filed pursuant to
Rules 13d-1(b), or 13d-2(b), check
whether the person filing is a:


(a)(   )	Broker or Dealer registered under Section 15 of the Act


(b)(   )	Bank as defined in Section 3(a)(6) of the Act


(c)(   )	Insurance Company as defined in Section 3(a)(19) of the Act


(d)( X  )	Investment Company registered under
Section 8 of the Investment Company Act


(e)( X )	Investment Adviser registered under
Section 203 of the Investment Advisers
Act of 1940


(f)(   )	Employee Benefit Plan, Pension Fund
which is subject to the provisions of the
Employee Retirement Income Security Act of 1974 or Endowment Fund; see
(Section 240.13d-1(b)(1)(ii)(F)


(g)( X )	Parent Holding Company, in accordance with Section 240.13d-1(b)(ii)(G)


(h)(   )	Group, in accordance with Section 240.13d-1(b)(1)(ii)(H)





	Page 8 of 11 Pages



Item 4.
Ownership.
																
						M&MC				PIM*			PAC			PI
						-----				-----			---			----
					(Parent holding			(Investment advisers		(Parent company
					company to PI)			& subsidiaries of PI)		to PIM and PAC)


(a)	Amount Beneficially
	Owned:				NONE				1,111,500	+	548,820	=	1,660,320

(b)	Percent of Class:			NONE				7.6%		+	3.8%		=	11.4%

(c)	Number of shares as
	to which such person has:

(1)	sole power to vote
	or to direct the vote;
	(but see Item 7)			NONE				NONE			NONE			NONE

(2)	shared power to vote
	or to direct the vote;
	(but see Item 7)			NONE				NONE			174,220
	174,220

(3)	sole power to dispose
	or to direct the
	disposition of;
	(but see Item 7)			NONE				NONE			NONE			NONE

(4)	shared power to
	dispose or to direct
	the disposition of;
	(but see Item 7)			NONE				ALL			ALL			ALL


*As part of the Putnam Family of Funds, and the 1,111,500 shares held by PIM, Putnam smal Cap Value Fund
held 5.6000822% or 817,500 shares.
Page 9 of 11 Pages




Item 5.	Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date
thereof the reporting person has ceased to be the beneficial owner of
more than five percent of the class of securities, check the following
( ).

Item 6.	Ownership of More than Five/Ten Percent on Behalf of
Another Person:
No persons other than the persons filing this Schedule 13G have an
economic interest in the securities reported on which relates to more
than five percent of the class of securities.  Securities reported on
this Schedule 13G as being beneficially owned by M&MC and PI consist of
securities beneficially owned by subsidiaries of PI which are
registered investment advisers, which in turn include securities
beneficially owned by clients of such investment advisers, which
clients may include investment companies registered under the
Investment Company Act and/or employee benefit plans, pension funds,
endowment funds or other institutional clients.

Item 7.	Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on By the Parent Holding Company.

PI, which is a wholly-owned subsidiary of M&MC, wholly owns two
registered investment advisers:  Putnam Investment Management, LLC.,
which is the investment adviser to the Putnam family of mutual funds
and The Putnam Advisory Company, LLC., which is the investment adviser
to Putnam's institutional clients.  Both subsidiaries have dispository
power over the shares as investment managers, but each of the mutual
fund's trustees have voting power over the shares held by each fund,
and The Putnam Advisory Company, LLC. has shared voting power over the
shares held by the institutional clients.  Pursuant to Rule 13d-4, M&MC
and PI declare that the filing of this Schedule 13G shall not be deemed
an admission by either or both of them that they are, for the purposes
of Section 13(d) or 13(g) the beneficial owner of any securities
covered by this Section 13G, and further state that neither of them
have any power to vote or dispose of, or direct the voting or
disposition of, any of the securities covered by this Schedule 13G.

Item 8.	Identification and Classification of Members of the Group:
		Not applicable.

Item 9.	Notice of Dissolution of Group:

		Not applicable.

Item 10.	Certification.

Page 10 of 11 Pages


By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were acquired in the ordinary
course of business, were not acquired for the purpose of and do not
have the effect of changing or influencing the control of the issuer of
such securities and were not acquired in connection with or as a
participant in any transaction having such purposes or effect.


After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true,
complete and correct.


PUTNAM INVESTMENTS, LLC.


	/s/Gregory L. Pickard
BY:	-------------------------------------------
	Signature

	Name/Title:	Gregory L. Pickard
	Assistant Vice President and Associate Counsel

	Date:	April 10, 2001


For this and all future filings, reference is made to Power of Attorney
dated May 3, 2000, with respect to duly authorized signatures on behalf
of Marsh & McLennan Companies, Inc., Putnam Investments, LLC., Putnam
Investment Management, LLC., The Putnam Advisory Company, LLC. and any
Putnam Fund wherever applicable.

For this and all future filings, reference is made to an Agreement
dated June 28, 1990, with respect to one filing of Schedule 13G on
behalf of said entities, pursuant to Rule 13d-1(f)(1).






Page 11 of 11 Pages