Neutralising antibodies against SARS-CoV-2 give important information on Covid-19 epidemic evolution in Rabat, Morocco, March 2020-February 2021.

Background: The SARS-CoV-2 is an extremely contagious and acute viral disease mainly affecting humans.

Objective: To estimate seroprevalence of SARS-CoV-2 neutralizing antibodies (NAbs) for illegible armed force individuals living in Rabat, Morocco.

Method: A convenience sample (N = 2662) was conducted from May 2020 to February 2021.

[Granulomatous spondylodiscitis: due mainly to tuberculosis but lymphoma cannot be excluded].

Lower back pain is due to multiple etiologies that make diagnosis difficult. Primitive spinal lymphoma is rare and its diagnosis often requires ultrasound-guided biopsy. A 30-year old man hospitalized for inflammatory lumbago evolving within the context of an impaired general condition.

[Peripheral neuropathy during Infliximab therapy: a case study].

Anti TNF alpha treatments are wide spectrum therapies. Multiple side effects have been reported in recent years, particularly peripheral neuropathies. We report a case of axonal neuropathy occurring three months after starting treatment with Infliximab.

[Pulmonary nocardiosis and sarcoidosis].

Infectious complications are rarely observed in the course of sarcoidosis. Only small series or cases reports of infection are described in sarcoidosis. Corticosteroids-induced immune suppression, pulmonary fibrosis and T-CD4 lymphopenia, are often present.