Antiprotozoal screening of 60 south African plants, and the identification of the antitrypanosomal germacranolides schkuhrin I and II (Publications)
Two hundred and seven extracts were prepared from sixty plants from South Africa and screened for in vitro activity against Trypanosoma brucei rhodesiense, Trypanosoma cruzi, Leishmania donovani, and
Nonrandomized controlled trial of artesunate plus sulfadoxine-pyrimethamine with or without primaquine for preventing posttreatment circulation of... (Publications)
Artemisinin combination therapies eliminate immature Plasmodium falciparum gametocytes but not mature gametocytes, which may persist for up to 1 month posttreatment. A single dose of primaquine, which
Novel 3-nitro-1<em>H</em>-1,2,4-triazole-based piperazines a nd 2-amino-1,3-benzothiazoles as antichagasic agents (Publications)
We have previously shown that 3-nitro-1H-1,2,4-triazole-based amines demonstrate significant trypanocidal activity, in particular against Trypanosoma cruzi, the causative parasite of Chagas disease. I
Clinical aspects and management of cutaneous leishmaniasis in rheumatoid patients treated with TNF-a antagonists (Publications)
Patients under immunosuppressive therapy with tumor necrosis factor alpha (TNF-?) antagonists are vulnerable to various opportunistic infections including leishmaniasis. We present a case series of 8
Differential virulence and disease progression following <em>Mycobacterium tuberculosis</em> complex infection of the common marmoset (<em>Callithrix... (Publications)
Existing small-animal models of tuberculosis (TB) rarely develop cavitary disease, limiting their value for assessing the biology and dynamics of this highly important feature of human disease. To dev
Antigenicity and immunogenicity of a novel chimeric peptide antigen based on the <em>P. vivax</em> circumsporozoite protein (Publications)
BACKGROUND: Plasmodium vivax circumsporozoite (PvCS) protein is a major sporozoite surface antigen involved in parasite invasion of hepatocytes and is currently being considered as vaccine candidate.
The baby-friendly hospital initiative in Switzerland: trends over a 9-year period (Publications)
Background:This article reports the trends over a 9-year period for 4 steps of the Baby-Friendly Hospital Initiative (BFHI) (exclusive breastfeeding, uninterrupted rooming-in, no use of pacifiers, and
Deterrents to HIV-patient initiation of antiretroviral therapy in urban Lusaka, Zambia: a qualitative study (Publications)
Abstract Some people living with HIV (PLHIV) refuse to initiate antiretroviral therapy (ART) despite availability. Between March 2010 and September 2011, using a social ecological framework, we invest
A prospective study of the impact of air pollution on respiratory symptoms and infections in infants (Publications)
Rationale: There is increasing evidence that short-term exposure to air pollution has a detrimental effect on respiratory health, but data from healthy populations, particularly infants, are scarce. O