Courtesy Encyclopædia Britannica, Share this Page Kara Rogers 1 Total Resources 2 Books About the Author 1 Personal Website for Kara Rogers Visit the Blog Share Books by Kara Rogers 2 Sort by Number of Resources Number of Awards Book Title Year Published Word Count Reading Level: ATOS® Reading Level: Lexile® Add Multiple Titles to Reading List Browse books by Kara Rogers Bacteria and Viruses by Kara Rogers 2 Resources Add to Reading List Share this Book Infectious Diseases by Kara Rogers 2 Resources Add to Reading List Share this Book Images courtesy of publishers, organizations, and sometimes their Twitter handles.