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.
Gastroenteritis ('gastro') is a bowel infection which causes diarrhoea (runny, watery poo) and sometimes vomiting. The vomiting may settle quickly, but the diarrhoea can last up to 10 days. Gastro can be caused by many different germs although the most common cause of gastro is a viral or bacterial infection.