Ebola or Marburg viruses are.
the flood xkr batch virus is a pretty powerful one
It's viral, and it's also the smallest virus known to man so far.
It is not known to man because that number range is infinite.
Bacteria cells. They are the smallest living thing on Earth (known to man).
Blindness (most prevalent in children) is the worst of the known Vitamin A deficiencies.
Because they' have the worst customer service known to man.
the worst bus driver is laidlaw, first student #15 bus driver is a man with a lot of emotions SHE A MANNNNN HAHAHAHAH mr.tablfa
social studdies is the worst subject known to man!
Dimitar Berbatov worst buy by Man U! Berbatov=EPIC FAIL!!
It is said in an advertisement that santino marella is the most irritating and the worst man in WWE.
No country is bad but the man who said Antarctica is is the worst
Germany are the worst football team known to man everyone in it is rubbish. I know a Germany secret they cheat they have a leg device that plays the football. Germany are pathetic