A 27 year-old man was referred to the dermatology department for two recent ulcerations of the shaft of the penis. There were regularly edged, indurated, eroded nodules measuring 15 and 8 mm in diameter, with fibrinous surface and serous exudate (Fig. 1). He had no pain, no fever and no lymphadenopathy, was recently married and reported that he did not have any previous disease and that his wif...

Research on AIDS in sub-Saharan Africa is determined by the nature of the epidemic in that region. All evidence continues to show that, apart from vertical transmission from mother to child and some continuing infection from blood transfusions, it is almost entirely a heterosexually transmitted epidemic. Both patient histories and physical examinations rule out the possibility of any significan...

BACKGROUND The recognition that sexually transmitted infections (STI) facilitate HIV transmission among heterosexuals has led to a rejuvenated focus on improving STI control as a component of HIV prevention programmes in developing countries. While efforts so far have focused mainly on all STI, there is increasing evidence that genital ulcers facilitate a considerable proportion of HIV transmis...

Introduction During I949, at the invitation of the Government of Southern Rhodesia, the author spent six months in that country undertaking a venereal diseases survey, specifically .to determine how new methods of treatment could, consistent with cost and local conditions, be extended to the African native. The project was financed by means of a grant from the Rhodesian State Lottery Trustees. ...

Chancroid, lymphogranuloma venereum, and granuloma inguinale may be considered as tropical venereal diseases. These diseases were a major diagnostic and therapeutic challenge in past centuries. Currently, patients with these bacterial infections that are endemic to the tropics occasionally consult with dermatologists in temperate climates. Due to the increasing frequency of travel to the tropic...

Bacteria of the family Pasteurellaceae are well known to exist in close relationship with mammalian hosts, mostly as constituents of commensal bacterial flora. However, at the same time, some species also have the ability to cause serious diseases. For example, Mannheimia haemolytica and Haemophilus somnus cause pneumonia in cattle (15); Pasteurella multocida is a common animal pathogen but occ...