hi,every body my name is Jonas, am 20 years old now about 3weeks ago in school i had small scar in my hand,and there was a blood in my table and touched it accidentally,two days after that i had some skin rash in my had they were two then it was headache, night sweat,pain in joint,and muscles and i had some pain in the chest and back,the first rashes were gone but now 3weeks after possible exposure they seem to spread all over my hands and moving to my shoulder,now am very worried and seek here i feel like commuting suicide,what i want to know is how likely can you get infected with such small scar,ad how accurate is HIV test 28 past exposure,please am very worried and i hope to get your replay very soon !!!!!!!