Description and significance. C. difficile is found in nature in water, air, human and animal feces, on most surfaces (especially in hospitals) and most prevalently in soil. C. difficile shows optimum growth when at human body temperature (37â) and appears as long drumsticks with a bulge at each end.
The colours of the Iranian flag are traditional, probably dating from at least the 18th century, and they can be interpreted as representing the Islamic religion (green), peace (white), and courage (red). They were first designed in tricolor form in 1907. The flag's centerpiece formerly comprised a lion with a sword standing before a rising sun, with a crown above, but all traditional flags and banners were abolished after the abdication of the shah in 1979.
The New York Times. Iran, known as Persia until 1935 and now officially the Islamic Republic of Iran, is the second-largest nation in the Middle East by population. Iran shares a border, along with historical and religious ties, with Iraq. Iran has been a quasi-theocracy since the Islamic Revolution of 1979, which deposed Mohammad Reza Pahlavi, the Shah of Iran.