I went to my friend who was currently bleading when i heard of his injury,while going to his house i was bitten by a dog,the cut i had was small,when my friend i went to say this,with a caring heart he touched the exact area of the dog bit which was just a small cut bring out little blood,although the injury my friend had was currently bleeding,but i don't know maybe he used his hand to touch his injured wound before touching my cut,one week later i had swollen lymh node,and right now,i have cold,runny nose and severe headach.please i don't know his status,am i at risk?