TY - CHAP M1 - Book, Section TI - Poxviruses A1 - Ryan, Kenneth J. PY - 2017 T2 - Sherris Medical Microbiology, 7e AB - You have erased from the calendar of human afflictions one of its greatest. Yours is the comfortable reflection that mankind can never forget that you have lived. Future nations will know by history only that the loathsome small-pox has existed.—Thomas Jefferson, Letter to Edward Jenner, 1806 SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/10/14 UR - accessmedicine.mhmedical.com/content.aspx?aid=1148671477 ER -