15 isolates (39.4%) of Proteus mirabilis were obtained from a total of 38 patients with urinary tract infections in Al-Diwaniyah Teaching Hospital. All isolates were diagnosed with phenotypic, microscopic and biochemical tests. PCR technique was also used as a confirmatory test to investigate the 16S rRNA gene (product size 239bp) in Proteus mirabilis , where the results showed the presence of the gene in all isolates .On the other hand ,the detection of biofilm formation in Proteus mirabilis isolated from patients urinary tract infection was done using the tubes method .The results showed that 10 (75%) isolates were capable of producing the biofilm, where the value of the optical density of the formed biofilm ranged from 0.064-0.411 nm.Then, the effect of diefferent temperatures (25,30 37,40) ℃ on the Biofilm Formation in Proteus mirabilis was studied, Where the most efficient bacteria were selected in the production of the biofilm and the test was carried out .The results showed that the bacteria were unable to form the biofilm at 25℃ either at 3040℃, the biofilm is very thin at 37℃ and 40℃, it becomes a thick biofilm.The results of the current study showed that the temperature has a significant effect on the production of the biofilm and that the thickness of the biofilm increases with increasing temperature.
The aim of this study was to conduct a survey of the fungal species associated with COVID-19 viral infection in 150 patients who were admitted to the intensive care unit (ICU) in Al-Diwaniyah Teaching Hospital in Al-Diwaniyah City, Iraq, for a five-month period from October 2021 to February 2022. The results indicated the dominance of Candida spp. over the rest of the isolated fungal species, with 97 isolates (64.66%). Aspergillus spp., with 15 isolates (10%), came in second. Rhizopus sp. with 2 isolates (1.33%). Then with 1 isolate (0.66%) for each of Penicillium sp., Coccidiodes sp., and Rhodotorula sp., Also, results show that the male has a higher percentage than the female (54.9%) and co-infections with fungi were more common in the 60–69 age group then in the 70–79 age group (34% versus 24%, respectively). Taking a deeper look at the patients' medical histories, it was shown that fungal co-infection was more prevalent in those with chronic sickness than in those without chronic disease (55.66% versus 43.14%, respectively).
The first case of bacterial infection was recorded in 1862, while it was first isolated in 1882 from the scientist Gessard, who was called Bacillus pyocyaneus. The most common infections caused by bacteria are the first bacteremia in patients with serious burns, chronic lung injuries in patients with cystic fibrosis, and acute ulcerative keratitis in people who use contact lenses. The gastrointestinal tract is an important gateway for entry into the blood infection caused by bacteria, and the bacteria cause endocarditis, where the bacteria infects the heart valves from the direct invasion of the bloodstream, as it causes meningitis and brain abscesses, and it can invade the central organ The inner and nasal sinuses can also be accessed from a site far from the injury, such as the urinary tract. Other pathogenic infections caused by bacteria are pulmonary injuries, as bacteria are the most common disease associated with lung injuries. They are caused by bacteria Hospitalized lung with a mortality rate greater than 70%. Bacteria are a common cause and acquired by hospitals for urinary tract infections due to their ability to adhere to urinary epithelial cells in the bladder, as they cause cystitis and urinary tract infections. The percentage of deaths caused by bacteria can reach 50% due to many factors, including weak body defenses and bacteria resistance to anti-life as well as the production of bacteria, enzymes and external toxins.
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