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Squash racket and ball Racquetball racket and ball. A racket or racquet [1] is an item of sporting equipment used to strike a ball or shuttlecock in a variety of sports. A racket consists of three major components: a widened distal end known as the head, an elongated handle known as the grip, and a reinforced connection between the head and handle known as the throat or heart.
The WHO system uses the following categories: Primary HIV infection: May be either asymptomatic or associated with acute retroviral syndrome [30] Stage I: HIV infection is asymptomatic with a CD4 + T cell count (also known as CD4 count) greater than 500 per microlitre (μL or cubic mm) of blood. [30] May include generalized lymph node ...