1st_ The thick Greek cross 10010; and red 128308; It is the symbol of nursing. Although it is more casual than foundational, it is said that the origin is in the emblem of the Order of St. Camillus, a religious congregation that at the end of the sixteenth century sent its brothers to tour the battlefields after the clashes to help the wounded. See blue cross, green cross. The Red Cross is the name of an international movement of medical support in cases of humanitarian crisis (wars, attacks, natural disasters). The identification since 1863 is a thick, red Greek cross on a white background, which is the same as the flag of Switzerland 127464; 127469; ( founding country ) but with the colors reversed. To this design others were added for political, cultural and religious reasons. See Red Crescent, Red Crystal, Red Star of David, Red Lion and Sun.