It's incredible the number of KLEZ-infected messages pouring in this past month. My brief count for May shows the following detections/quarantines on our mail server:

<table border=1><td>Virus Name</td><td>Count</td><td>WORM_KLEZ.H</td><td>133</td><td>W97M_SHANKAR</td><td>2</td><tr><td>HTML_IFRMEXP.GEN *