مكتب الجودة وتقييم الأداء

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Exploiting epidemiological data to understand the epidemiology and factors that influence COVID-19 pandemic in Libya

There were only 75 confirmed cases of coronavirus disease 2019 (COVID-19) reported in Libya by the National Center for Disease Control during the first two months following the first confirmed case on 24 March 2020. However, there was dramatic increase in positive cases from June to now; as of 19 November 2020, approximately 357940 samples have been tested by reverse transcription polymerase chain reaction, and the results have revealed a total number of 76808 confirmed cases, 47587 recovered cases and 1068 deaths. The case fatality ratio was estimated to be 1.40%, and the mortality rate was estimated to be 15.90 in 100000 people. The epidemiological situation markedly changed from mid-July to the beginning of August, and the country proceeded to the cluster phase. COVID19 has spread in almost all Libyan cities, and this reflects the high transmission rate of the virus at the regional level with the highest positivity rates, at an average of 14.54%. Apparently, there is an underestimation of the actual number of COVID-19 cases due to the low testing capacity. Consequently, the Libyan health authority needs to initiate a large-scale case-screening process and enforce testing capacities and contact testing within the time frame, which is not an easy task. Advisably, the Libyan health authority should improve the public health capacities and conduct strict hygienic measures among the societies and vaccinate as many people against COVID-19 to minimize both the case fatality ratio an
Abdusalam Sharef Abdusalam Mahmoud(1-2021)
Publisher's website

Prevalence of Antimicrobial Resistance Patterns of Escherichia coli Faecal Isolates of Cattle

A total of 154 of Escherichia coli (E. coli) isolates were isolated from faecal specimens of healthy cattle (n=100). Serotyping of 154 E. coli isolates indicated that 112 (72.72%) isolates were typeable, 28 (18.18%) untypeable and 14 (9.09%) were rough. The most predominant serotype observed was O22 followed by O56, O60, O120 and O1. Antibiogram pattern using a total of 25 different antibiotics indicated that high resistant was present against clindamycin, metronidazole and penicillin followed by cephalothin, neomycin, kanamycin, cephalexin, streptomycin, furazolidone and tetracycline antibiotics. The amplification of tet(A) and tet(B) resistant determinants by PCR resulted in generation of 372bp and 228, respectively. The tet(A) gene was predominant gene compared to tet(B) gene. This study using pheno-genotypic characterization indicated the presence of antimicrobial resistant E. coliisolates amongst healthy cattle, emphasizing that effective strategy should be applied to persist the efficiency along with ideal usage of novel antibiotics though minimizing the risk of antibiotic resistant bacteria. arabic 11 English 82
Abdusalam Sharef Abdusalam Mahmoud(3-2020)
Publisher's website

Rift Valley fever virus: a serological survey in Libyan ruminants

A serological survey was carried out in Libya to investigate the circulation of Rift Valley fever virus (RVFV) among domestic ruminants. A total of 857 serum samples were collected from year 2015 to 2016 in eleven provinces of Libya belonging to five branches of the country. Samples were tested for RVFV antibodies using a competitive EnzymeLinked Immunosorbent Assay (c-ELISA). Antibodies specific for RVFV were not detected in any of the 857 samples. However, a statistical analysis was carried out to assess the maximum expected number of infected animals and the maximum expected prevalence of RVFV among Libyan ruminants’ populations according to the sampled population. The overall maximum expected prevalence was estimated to be 1.8% for cattle and 0.4% for small ruminants. Results seem to exclude the circulation of RVFV, however, a surveillance plan should be implemented in areas at risk of RVFV introduction. arabic 10 English 55
Abdusalam Sharef Abdusalam Mahmoud, (6-2018)
Publisher's website

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