1. Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, USA;
2. Department of Biology, Brigham Young University, Provo, UT, USA;
3. Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA;
4. Department of Nutrition, Dietetics and Food Science, Brigham Young University, Provo, UT, USA;
5. Department of Physiology and Developmental Biology, Brigham Young University, Provo, UT, USA;
6. Poxvirus and Rabies Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA;
7. Institute for Antiviral Research, Utah State University, Logan, UT, USA