Quick Answer. One's mother's cousin is that person's first cousin once removed. A once removed relationship is one that is the same relationship but one generation apart. The child of one's cousin is also one's first cousin once removed. This is frequently confused with the term second cousins..
The germ that causes strep throat and that which causes pink eye or conjunctivitis is not the same. Pink eye is caused by a virus or bacteria. The viral kind does not respond to an antibiotic for the eye, whereas a bacterial cause does. Commonly, the bacterial kind of pink eye causes matting of the eyelids and drainage. Please see your doctor for an evaluation and proper treatment.
Some differences: Generally viral pink eye typically produces redness, watery eyes and doesn't need treatment except for herpes. Bacterial pink eye causes redness & purulent discharge (puss), often matting the lids/lashes together in the AM or after a long nap -- needs antibiotic drops.