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.
The marble block, purchased from the famous quarries at Carrara, remained in the courtyard workshop of Florence Cathedral and lay neglected for the next twenty five years. After the success of the Rome Pieta of 1499-1500 Michelangelo was recognized as a genius, a master of his craft. The Guild of Wool Merchants wanted to revive the abandoned project for David, Michelangelo was the artist who was offered, and accepted, this prestigious contract.