There are more than 60 different species of opossum, which are often called possums. The most notable is the Virginia opossum or common opossumâthe only marsupial (pouched mammal) found in the United States and Canada. A female opossum gives birth to helpless young as tiny as honeybees.
Disseminated cryptococcosis, particularly with peritonitis, is an uncommon manifestation of Cryptococcus neoformans infection. Liver cirrhosis serves as a risk factor for disseminated disease in HIV-negative patients.
Back to TopAlternative Names. Primary syphilis; Secondary syphilis; Late syphilis; Tertiary syphilis. Syphilis is a sexually transmitted, infectious disease caused by the spirochete Treponema pallidum . This bacterium causes infection when it gets into broken skin or mucus membranes, usually of the genitals. Syphilis is most often transmitted through sexual contact, although it also can be transmitted in other ways.