In order to verify the Web Reputation Services (WRS) feature of Deep Discovery Inspector (DDI), you accessed some URLs affected by malware. Upon checking the syslog, all the results have score 49 (cn2Label=Score cn2=49) and the category is "Disease Vector". You want to know if the score of 49 is corresponding to the category "Disease Vector".
"Disease Vector" is a Trend Micro URL Filtering Engine (TMUFE) category. The score of 49 is a WRS score, they are not related and independent to each other.
On the other hand, URLs in Category "Disease Vector" usually have score of 49 (current lowest score). URLs in other Categories could also get a score 49.
Test URL: http://wrs49.winshipway.com/