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INTRODUCTION: campylobacteriosis is zoonotic and one of the leading causes of bacterial foodborne diarrheal disease worldwide. Data on Campylobacter is scarce in Burkina Faso and do not provide information on the growing anti-microbial resistance (AMR) in the poultry value-chain. This study aims to assess the prevalence of Campylobacter spp simultaneously in poultry, in farmers and soil, as well as its impact on the emergence of AMR. METHODS: qualitative survey data provided information on the antibiotics used as breeding promoters in poultry farming. Campylobacter spp. strains were obtained from cloacal swabs, farmers´ stools and soil samples. Isolation indentification and drug sensitivity tests were performed in the bacteriology laboratory of the Centre Muraz using the automated Vitek 2 ID/AST, Biomerieux and Kirby Bauer method. RESULTS: the antibiotics used by farmers included: oxytetracycline, sulfadimidine, colistine, trimazin, erythromycin, streptomycin and colistin. The prevalence of campylobacter in poultry cloacal swabs was 4.44% (95% CI 1.4%, 7.5%). No campylobacter was isolated from human stools and soil samples. Three different species were isolated: Campylobacter jejuni (62.5%), Campylobacter fetus (25%) and Campylobacter coli (12.5%). From these species 37.5% were found to be resistant to ciprofloxacin and nalidixic acid, 50% to ampicillin and 87.5% to tetracycline. CONCLUSION: while the resistance of campylobacter to antibiotics relevant to public health was considerable, the overall antibiotic resistance was lower than expected considering the generous use of antimicrobials in poultry breeding.

The French society of clinical biology "Biochemical markers of COVID-19" has set up a working group with the primary aim of reviewing, analyzing and monitoring the evolution of biological prescriptions according to the patient's care path and to look for markers of progression and severity of the disease. This study covers all public and private sectors of medical biology located in metropolitan and overseas France and also extends to the French-speaking world. This article presents the testimonies and data obtained for the "Overseas and French-speaking countries" sub-working group made up of 45 volunteer correspondents, located in 20 regions of the world. In view of the delayed spread of the SARS-CoV-2 virus, the overseas regions and the French-speaking regions have benefited from feedback from the first territories confronted with COVID-19. Thus, the entry of the virus or its spread in epidemic form could be avoided, thanks to the rapid closure of borders. The overseas territories depend very strongly on air and/or sea links with the metropolis or with the neighboring continent. The isolation of these countries is responsible for reagent supply difficulties and has necessitated emergency orders and the establishment of stocks lasting several months, in order to avoid shortages and maintain adequate patient care. In addition, in countries located in tropical or intertropical zones, the diagnosis of COVID-19 is complicated by the presence of various zoonoses (dengue, Zika, malaria, leptospirosis, etc.).