Eric Walker added Did Columbus really introduce syphilis to Europe? to Syphilis

Eric Walker added UZH - Die Syphilis grassierte wohl schon vor Kolumbus in Europa to Syphilis

Eric Walker added Syphilis - Wikipedia to Syphilis

Eric Walker added Tuskegee Syphilis Study - Wikipedia and Is Russian Meddling as Dangerous as We Think? | The New Yorker to Tuskegee syphilis experiment, and added Tuskegee syphilis experiment to Syphilis, Alabama and African Americans

Eric Walker added Tuskegee syphilis experiment and a number of links to Syphilis, and added Syphilis to Treponema pallidum and Infectious disease (ID)

Eric Walker added Syphilis and Treponema pallidum - Wikipedia to Treponema pallidum, and added Treponema pallidum to Treponema

Eric Walker added a number of topics and a number of links to Infectious disease (ID), and added Infectious disease (ID) to Sickness, ailments, disease and diseases