General hospital isolation units - these provide source isolation facilities for hospital-acquired infections; they also provide facilities for protective isolation and for the screening of patients with suspected infections before admission to a general ward or transfer to a communicable diseases unit.
The David is considered a masterpiece, an ideal male form combining heroic strength and human uncertainty. It is erected in 1504 in the public plaza of Florence, the Piazza della Signoria.
In 1873, when Michelangelo's David was exhibited for the first time on a specially arranged tribune. For protection purposes, the statue was in fact removed from Piazza Signoria where it had represented for over four centuries the strengh and dignity of the Florentine Republic.