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	Research graph.

Research graph.

CDC conducts and supports research to understand the effectiveness, feasibility, and secondary consequences of nonpharmaceutical interventions (NPIs) during a flu pandemic.

Below are selected scientific articles by CDC and other researchers that provide background information about why NPIs are an important strategy in slowing the spread of flu. The articles are arranged with the most recent article listed first, and the asterisk (*) signifies that CDC was involved with conducting or supporting the research.