Les Rhipicephalus du groupe sanguineus : espèces africaines (Acariens : Ixodoidea)

Sur les sous-groupes nilpotents du groupe de Cremona

We describe the nilpotent subgroups of the group Bir(P(C)) of birational transformations of the complex projective plane. Let N be a nilpotent subgroup of class k > 1; then either each element of N has finite order, or N is virtually metabelian.

Combinatoire autour du groupe symétrique

Les phosphatides du sérum sanguin

Israeli Spotted Fever Rickettsia in Sicilian Rhipicephalus sanguineus Ticks

1. Iversson LB. Hantavirus pulmonary syndrome in the rural area of Juquitiba, São Paulo Metropolitan Area, Brazil. Rev Inst Med Trop Sao Paulo 1997;39:237–8. 2. Figueiredo LTM, Moreli ML, Kashima S, Almeida VSO, Félix PR, Bruno JC, et al. Hantavirus pulmonary syndrome (HPS) in Guariba, SP, Brazil. Report of 2 cases. Rev Inst Med Trop Sao Paulo 1999;41:131–7. 3. Figueiredo LTM, Campos GM, Rodrig...

Human feet bitten by multiple brown dog ticks, Rhipicephalus sanguineus

A 69-year-old man presented with many ticks on both feet. Multiple engorged adult ticks were observed on his soles (Fig. 1). Larvae, nymphs, adults and nymph exuviae were seen on the dorsum of both feet, and the patient had elongated toenails (Fig. 2). The patient suffered a brain infarction 14 years ago. Since his wife died a year before, and his pet dog died soon after, he became seriously de...