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Catheter related blood stream infections are a major problem in the United States and account for over $225 million each year with over 1,300 infections occurring each day. By researching the most effective type of IV connector, health care providers can provide the best and safest care possible to patients requiring IV access. Zero/neutral IV connectors may be the answer to decreasing these infections as they produce no reflux in the connector which is a breeding ground for bacteria and occlusions. This literature review found that zero/neutral connectors performed better than positive and negative IV connectors when comparing both reflux and bacterial growth. By implementing zero/neutral connectors into everyday practice, over positive and negative connectors, the number of catheter related blood stream infections can be reduced and prevent additional harm to patients.