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What does NIIW stand for?

What does NIIW mean? We have 2 definitions. Read most used NIIW meanings below.

Category: All acronyms (2)Government & Military (2)

• NIIW — National Infant Immunization Week
• NIIW — Nat'l Infant Imz Week

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Most Searched Abbreviations For Words

• Immun
• Infant
• Week
• Nation