ïï Shi'a-This group thought that the caliph should be a relative of the Prophet, and so they rejected the Umayyads' authority. Shi'a means the party of Ali, and they sought revenge for Ali's death. Even though the caliphate continued for many years, the split contributed to its decline as a political system.
Rhinorrhea or rhinorrhoea is a condition where the nasal cavity is filled with a significant amount of mucus fluid.
Giardia lamblia: A parasite responsible for a contagious form of diarrhea. The parasite is most commonly transmitted through direct contact with infected feces or by eating food or drinking water contaminated by feces. Giardia is one of the most common intestinal parasites in the world. The disease is most prevalent in developing countries, where infections are associated with poor sanitary conditions, poor water quality control, and overcrowding.