On July 21, 2009, IRIS International, Inc. (the "Company") issued a press release announcing its preliminary second quarter 2009 operating results. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The Company will host a conference call today at 4:30 p.m. Eastern time, 1:30
p.m. Pacific time. To participate, dial 1-888-298-3511 approximately 10 minutes before the conference call is scheduled to begin. Hold for the operator and reference the IRIS International conference call. International callers should dial 1-719-325-2100. The conference call may also be accessed by means of a live audio webcast on our website at www.proiris.com or http://investor.shareholder.com/media/eventdetail.cfm?eventid=71003&CompanyID=ABEA-2RC4AZ&e=1&mediaKey=0F059E45A57CA28895D6144DD88C64FA. The conference audio cast will be archived and available for replay on both websites for 90 days from the date of the broadcast.

The information in Item 2.02 of this Current Report on Form 8-K and Exhibit 99.1 attached hereto shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act"), or otherwise subject to the liabilities of such section, nor shall such information or exhibit be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

(d) Exhibits.

The following exhibits are filed herewith:

Exhibit
Number       Description

 99.1        Press release dated July 21, 2009 entitled "IRIS International
             Announces Preliminary Second Quarter 2009 Operating Results."