Published: Oct 14, 2011 4:51 PM EDT

ST. LOUIS (AP) - Former sexual partners of a 26-year-old man infected with HIV are being asked to come forward or be tested for the virus that causes AIDS now that the man has been accused in Missouri and Illinois of knowingly spreading it.
    
Patrick Gregory is jailed in southwestern Illinois' Madison County on $100,000 bond on one count of criminal transmission of HIV. That's a felony.
    
Gregory, who court records show has both St. Louis and Illinois addresses, also faces three felony counts in St. Louis of knowingly transmitting HIV. Bond on those charges is set at $250,000.
    
Collinsville police say at least one other law-enforcement agency in southwestern Illinois is investigating Gregory.
    
Police consider the matter a public health issue.

(Copyright 2011 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.)