Posts: 1,252. Wales has the most castles per square miles; with the UK in general having many impressive structures, and interesting clan tales, if you're in the Scottish highlands. Also, Germany and Austria cannot be underestimated in this regard either, as Neuschwanstein is legendary.
The Mimivirus, a virus infecting Acanthamoeba polyphaga, was the largest DNA virus yet isolated (Claverie et al, 2006).
These are Mycoplasma pneumonia, M. genitalium and M. hominis. M. pneumonia causes a chronic form of bacterial pneumonia, which can last for several weeks, but is very rarely fatal, while M. genitalium is a cause of sexually transmitted urinogenital infections in men and women and M. hominis is also associated with urinogenital infections.