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.
Other than the bronze David that Donatello made, the better known statue of David is sculpted in marble by Michelangelo, originating from the Biblical hero's portrait in the moments just before battle.