Hemolytic uremic syndrome (HUS) is a condition characterized by destruction of red blood cells, low platelet count, and kidney failure. There are two types of HUS. Typical HUS follows a diarrheal infection often caused by E. coli OH157:H7.
Perhaps you mean what dynasty reigns in Japan. Akihito is the reigning Emperor of Japan, the 125th emperor of his line according to Japan's traditional order of succession. He acceded to the Chrysanthemum Throne in 1989. If you read wikipedia, you will observe a more balanced view of China's dynasty. Currently, and namely, there are 2 dynasties in China, with PRC being the de-facto ruling dynasty, with another less powerful ROC dynasty.
A general named Tokugawa Iyeyasu won this battle for control of Japan. He was appointed shogun by the emperor and established his military government at Yedo (now Tokyo). The powerful Tokugawa clan, with the support of its branch families and allied clans, would provide shoguns to rule Japan from 1603 to 1867.t the top of this social pyramid was the nominal ruler of Japan, the emperor, and his court nobles. Second in rank, but first in power and privilege, was the ruling samurai warrior class whose leader was the shogun.