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This retrospective study, conducted over five years, aimed to assess the bacteriological profile of nosocomial pneumonia, the antibiotic resistance of isolated bacteria, and changes in these parameters over time. The analysis reviewed 660 samples from the microbiology department at the Military Hospital of Avicenne in Marrakech, Morocco, covering the period from January 1, 2017, to December 31, 2021. Among these samples, 303 microorganisms were identified from 251 specimens, confirming diagnoses of nosocomial pneumonia. Microorganism identification and antibiograms were performed using the Phoenix100 automated system from Becton Dickinson. The results revealed that 73% of the isolated microorganisms were Gram-negative bacilli, with Acinetobacter baumannii (29.4%) being the most common, followed by Enterobacteriaceae (28%), particularly Klebsiella pneumoniae (15.5%) and Pseudomonas aeruginosa (10.9%). Gram-positive cocci made up 22.5% of isolates, with Staphylococcus aureus (15.2%) being the most prevalent, while yeasts were present in 3.6% of cases. A polymicrobial nature was observed in 19.12% of samples. A. baumannii strains showed high resistance to most antibiotics, with an imipenem resistance rate of 88.5%; colistin was the only effective agent against these strains. In contrast, P. aeruginosa exhibited broad sensitivity to antibiotics, with only an 11.1% resistance rate to ceftazidime and good sensitivity to imipenem (80%). Extended-spectrum beta-lactamase production was noted in 11.5% of Enterobacteriaceae, mainly K. pneumoniae . Methicillin-resistant S. aureus prevalence was low at 11.6%, and all S. aureus strains were vancomycin-sensitive. The study highlights the importance of prudent antibiotic use, enhanced hospital hygiene practices, and ongoing monitoring of bacterial resistance. These measures are vital for developing therapeutic strategies suited to local epidemiology and reducing infections caused by multidrug-resistant microorganisms., Competing Interests: Human subjects: All authors have confirmed that this study did not involve human participants or tissue. Animal subjects: All authors have confirmed that this study did not involve animal subjects or tissue. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, Didi et al.)

Objective: Streptococcus pneumoniae ( S. pneumoniae ) nasopharyngeal carriage has significantly decreased after the generalization of pneumococcal vaccination worldwide. This study sought to investigate changes in S. pneumoniae carriage rates, serotype distribution and penicillin non-susceptibility following the generalization of 10-valent pneumococcal conjugate vaccine., Methods: A prospective study was conducted in Marrakesh, Morocco, between 2017 and 2018, among healthy children attending vaccination centers. We collected nasopharyngeal swabs and questionnaire data for each child. Using univariate logistic regression, we analyzed the association between S. pneumoniae carriage and various risk factors. Comparisons of serotype diversity and penicillin resistance between 2017 and 2018 and the period before introduction of vaccination (2008-2009, n = 660) were performed using Simpson index and the chi-squared test, respectively., Results: During 2017-2018, 515 children aged between 6 and 36 months participated. The S. pneumoniae carriage rate was 43.3%. Looking at the distribution serotypes, the rate of PCV10 serotypes rate was only 9.6%. Among non-vaccine serotypes, an increase in serotypes 6C/6D (22; 14%), 19B/19C (17; 10.8%), and 15B/15C (11; 7%) was observed. A particular increase in serotype diversity was also observed after the generalization of PCV10 (p < 0.001). S. pneumoniae non-susceptible to penicillin decreased, reaching a rate of 26.6% in 2017-2018., Conclusion: The significant change in S. pneumoniae carriage, serotype distribution, and penicillin resistance highlights the effectiveness of the pneumococcal conjugate vaccine among children in Marrakesh, Morocco., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2024 The Authors.)

Background Rabies is a zoonosis transmitted accidentally to humans and is fatal once clinical signs appear. In Morocco, rabies remains a difficult disease to eradicate, with dogs being the main source of contamination. Transmission of this illness can be avoided by promptly implementing post-exposure prophylaxis (PEP) following animal exposure. Inappropriate or delayed PEP increases the risk of acute infection. This study aims to describe and analyze the characteristics of exposure, investigate the factors related to delay in initiating PEP, and evaluate the attitudes and practices of patients towards animal exposure in the region of Ouarzazate between 2016 and 2019. Methods This was a retrospective study with statistical analysis. The data on animal exposure was collected from the Anti-Rabies Center (ARC) located in Ouarzazate Province, Morocco. Results A predominance of male cases (61.3%) among victims of animal exposure was found. The age group of five to 14 years was the most affected (23.5%). The upper limb represented the most frequent site of exposure (49.4%). Around 52.1% of patients presented with multiple lesions. About 54.4% of cases were bitten by a stray animal. Dogs were responsible for 47.8% of the bites. All exposed individuals performed wound cleansing prior to arrival at the ARC. Post-exposure prophylaxis was initiated in 34.5% of cases between 24 to 48 hours, while 26.1% of cases delayed it beyond 48 hours. Around 34% of patients did not complete their vaccination schedule. Regarding the factors associated with the delay in PEP, we found significant associations with patient age, place of residence (urban or rural), distance from the ARC (>30 km or <30 km), nature, number, and injury status (p≤0.05). Significant associations (p≤0.05) were also found with dog bites and their type (domestic or stray). Conclusion Our findings indicate that better awareness about rabies and PEP management is needed, especially among the rural population., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2023, El Bazi et al.)

Streptococcus pneumoniae ( S. pneumoniae ) remains one of the most important pathogens causing childhood infections. The spread of antibiotic-resistant bacteria is a leading cause of treatment failure in children. The purpose of this investigation is to report the antibiotic and multidrug resistance (MDR) of S. pneumoniae strains isolated from healthy children throughout the years 2020-2022. Antimicrobial susceptibility testing of S. pneumoniae strains in selected antimicrobials was performed using disk diffusion and E-test methods on bloodMueller-Hinton agar. The antimicrobials tested included oxacillin, amoxicillin, ceftriaxone, norfloxacin, gentamicin, vancomycin, erythromycin, clindamycin, pristinamycin, tetracycline, chloramphenicol, and trimethoprim-sulfamethoxazole. A total of 201 S. pneumoniae strains were isolated from the nasopharynx of healthy children in Marrakesh, Morocco. The highest rate of resistance of S. pneumoniae was found in penicillin (57.2%), followed by tetracycline (20.9%), and erythromycin (17.9%). The rates of resistance to clindamycin, trimethoprim-sulfamethoxazole, and chloramphenicol were 14.9%, 4%, and 1.5%, respectively. All isolates were susceptible to norfloxacin, gentamicin, vancomycin, and pristinamycin. Approximately 17% of all S. pneumoniae strains were resistant to at least three different antibiotic families. This study showed a low rate of antibiotics resistance among nasopharyngeal S. pneumoniae strains, and it is thus essential to monitor S. pneumoniae susceptibility in healthy children.

Background: There is a growing literature showing that critically ill COVID-19 patients have an increased risk of pulmonary co-infections and superinfections. However, studies in developing countries, especially African countries, are lacking. The objective was to describe the prevalence of bacterial co-infections and superinfections in critically ill adults with severe COVID-19 pneumonia in Morocco, the micro-organisms involved, and the impact of these infections on survival., Methods: This retrospective study included severe COVID-19 patients admitted to the intensive care unit (ICU) between April 2020 and April 2021. The diagnosis of pulmonary co-infections and superinfections was based on the identification of pathogens from lower respiratory tract samples. Co-infection was defined as the identification of a respiratory pathogen, diagnosed concurrently with SARS-Cov2 pneumonia. Superinfections include hospital-acquired pneumonia (HAP) and ventilator-associated pneumonia (VAP). A multivariate regression analysis was performed to identify factors independently associated with mortality., Results: Data from 155 patients were analyzed. The median age was 68 years [62-72] with 87% of patients being male. A large proportion of patients (68%) received antibiotics before ICU admission. Regarding ventilatory management, the majority of patients (88%) underwent non-invasive ventilation (NIV). Sixty-five patients (42%) were placed under invasive mechanical ventilation, mostly after failure of NIV. The prevalence of co-infections, HAP and VAP was respectively 4%, 12% and 40% (64 VAP/1000 ventilation days). The most isolated pathogens were Enterobacterales for HAP and Acinetobacter sp. for VAP. The proportion of extra-drug resistant (XDR) bacteria was 78% for Acinetobacter sp. and 24% for Enterobacterales. Overall ICU mortality in this cohort was 64.5%. Patients with superinfection showed a higher risk of death (OR = 6.4, 95% CI: 1.8-22; p = 0.004)., Conclusions: In this single-ICU Moroccan COVID-19 cohort, bacterial co-infections were relatively uncommon. Conversely, high rates of superinfections were observed, with an increased frequency of antimicrobial resistance. Patients with superinfections showed a higher risk of death., Competing Interests: The authors have declared that no competing interests exist., (Copyright: © 2022 Aissaoui et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)

Background and Objectives: Streptococcus pneumonia (S. pneumoniae) is one of the most frequent pathogens leading to a variety of clinical manifestations. The effects of S. pneumoniae carriage on acute otitis media (AOM) are poorly studied. The study aimed to assess the serotype's distribution and antimicrobial susceptibility in children with AOM after the implementation of the pneumococcal conjugate vaccine (PCV) in Morocco., Materials and Methods: We conducted a prospective study of AOM children aged 6 to 36 months who visited pediatric centers in Marrakesh between January to June 2018. Parents were asked to complete a questionnaire and a swab was collected from each child. The S. pneumoniae strains were further identified (Hemolysis, optochin sensitivity, and agglutination test), serogrouped (IMMULEX PNEUMOTEST agglutination test), serotyped (Real time PCR) and tested for antimicrobial susceptibility., Results: The S. pneumoniae carriage rate was 49.7% (87/175). As estimated, non-vaccine serotypes (NVT) were most prevalent (51/63; 81%). The most frequent serotypes were 6C/6D (12.7%), 10 (9.5%), and 19B/19C (9.5%). The S. pneumoniae strains that were isolated showed a diminished susceptibility to penicillin G with a rate of 27.5%. Penicillin non-susceptible pneumococci (PNSP) was mostly associated with NVT. More than 90% of S. pneumoniae isolates were susceptible to chloramphenicol (97.5%), clindamycin (97.5%), erythromycin (97.5%), levofloxacin (97.5%), pristinamycin (97.5%), gentamicin (92.5%), and teicoplanin (92.5%)., Conclusion: Important nasopharyngeal carriage prevalence was reported among children with AOM. The study showed that new NVT are emerging, including 6C/6D and 10. Furthermore, susceptibility was significantly higher against all antibiotics tested except for penicillin G and amoxicillin., (Copyright © 2022 The Authors. Published by Tehran University of Medical Sciences.)

Rubella is a generally benign but dangerous viral infection in early pregnancy, due to the teratogenic potential of the virus. Indeed, it causes spontaneous abortions, in-utero fetal death, premature labor and congenital malformations known as congenital rubella syndrome. The purpose of this study is to determine the immune status of rubella in pregnant women in southern Morocco. A prospective, multicentre study was conducted in 2017 for the detection of rubella IgG and IgM antibodies in 380 pregnant women aged 17 to 46 years, using the Architect i1000 chemiluminescent microparticle immunoassay. Eigthy for percent (84.7%) of women were seropositive. Ten percent of multiparous women remained seronegative despite recommendations for vaccination after delivery. Preventive measures against congenital rubella need to be strengthened, and vaccination is needed in non-immunized women. Vaccination awareness campaigns, especially among non-immunized multiparous women, remain essential., Competing Interests: The authors declare no competing interests., (© Hanane Zahir et al.)