I am as small as a micron, stealthy like a spy, and I have always been caught. What Am I?

Answer: A Virus!

More Medium Riddles with answers

More Medium Riddles

I am aspired by all, yet hard to find. You can search endlessly, but have little peace of mind. What am I?
I am bright and yellow and turn on and off everyday, some say they need me but others wish that I would go away. What am I?
I am cold to the touch but yet I burn if held what am I?
I am dead but alive, I eat but am never satisfied, I consume knowledge but gain none. What am I?
I am even, add one letter and I'm odd. What am I?
I am everything. I am nothing. I can make you tremble in fear or make your sadness disappear. I've been with you since you've arrived and I will be with you at the moment you die. We've know each other for our entire lives. I know you but you create me so what am I?
I am found in the sea and on land, but I do not walk or swim. I travel by foot, but I am toeless. No matter where I go, I'm never far from home. What am I?
I am from the month of December. I am not a holiday. I am the only month that has this. What am I?
I am green all over, yet I know no bounds. If you turn me around a face you will see, being without me produces envy. What am I?
I am heard before I am seen. Startled and I am alive. I rumble like thunder, yet I pour like rain. I am felt before I arrive; stand with me and you won't survive. What am I?
I am in a Tiny word. If you remove me I become metal. What am I?
I am in your eye. I am a school child. I am a word of five. What am I?