 [ Symptoms ] lip to lip kissin exposed to saliva hiv risk  greetings  iam a 31 yrs old male indulges in an act i was involved in lip to lip kissing & was exposed to the saliva of the female later i realised i had smal cuts on my lips am i at extreme risk to hiv pls advise some rapid tests like pcr or elisa which wil put me a t ease thank you [ Disease ] if you are rh negative your red blood cells do not have a marker called rh factor on them rh positive blood does have this marker if your blood mixes with rh positive blood your immune system will react to the rh factor by making antibodies to destroy it this immune system response is called rh sensitization webmd medical reference from healthwise this information is not intended to replace the advice of a doctor healthwise disclaims any liability for the decisions you make based on this information © 1995 2011 healthwise incorporated healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated