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In page Southern multimammate mouse:

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M. coucha has been used frequently in medical research. Unlike the common murine research model, M. coucha has been maintained as an outbred line so it has maintained the genetic heterogeneity necessary for many studies involving immune response. M. coucha also has a naturally occurring papillomavirus that mimics the infection cycle and symptoms seen in humans with HPVs. These two traits have made it a good model to study vaccines against HPV infections.[1]