On top of that, huge chunks of the genome are made up of mysterious virus - like entities called retrotransposons, pieces of selfish DNA that appear to serve no function other than to make copies of themselves. (newscientist.com)
COOTIES is directed by Jonathan Milott and Cary Murnion and centres on mysterious virus that hits a small town but strangely begins to only affect the prepubescent population. (thehollywoodnews.com)
He has the same attitude as.in Madrid, mysterious viruses after being on night out. (justarsenal.com)