Article IMVAMUNE® and ACAM2000® Provide Different Protection against Disease When Administered Postexposure in an Intranasal Monkeypox Challenge Prairie Dog Model M. Shannon Keckler 1,2 , Johanna S Salzer 1,3, Nishi Patel 1,4, Michael B Townsend 1, Yoshinori J Nakazawa 1, Jeffrey B Doty 1, Nadia F Gallardo-Romero 1, Panayampalli S Satheshkumar 1, Darin S Carroll 1,5, Kevin L Karem 1,6 and Inger K Damon 1,* 1 Poxvirus and Rabies Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, Atlanta, GA 30333, USA;
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[email protected] (K.L.K.) 2 Clinical and Environmental Microbiology Branch, Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, Atlanta, GA 30333, USA 3 Bacterial Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, Atlanta, GA 30333, USA 4 Respiratory Diseases Branch, Division of Bacterial Diseases, Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, Atlanta, GA 30333, USA 5 Office of the Director, National Center for Emerging and Zoonotic Diseases, Centers for Disease Control and Prevention, U.S.