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Introduction: Healthcare workers are at high risk for acquiring COVID-19 and transmitting it to the patients especially to cancer patients in whom the risk of severe COVID-19 is high. We determined the rate of COVID-19 infection among healthcare workers in an oncology hospital and their epidemiological characteristics., Methodology: Data of infected workers from March 11, 2020, to February 28, 2022 were obtained via Infection Control Committee COVID-19 Surveillance Records and evaluated retrospectively., Results: During this period 58.34% of 2,355 workers were vaccinated with > 3 doses of COVID-19 vaccines. A total of 1,294 COVID-19 attacks developed in 1,181 (50.14%) workers; mean age was 38.08 ± 9.52 years, 744 (63%) were female. Re-infection occurred in 112 (9.5%) workers. Source of infection in 858 attacks (66.31%) was unknown. Hospitalization was needed in 24 (2%) and intensive care unit admission in 1 (0.08%), no death occurred. In the first attacks, 587 (49.70%) were unvaccinated; in re-infections 66 (58.92%) were ≥ 3 doses vaccinated. Hospitalizations were predominantly in the pre-Delta period (16/24: 66.7%, p < 0.05). Re-infections occurred mostly in the Omicron variant period (p < 0.05). Relationship between hospitalization and male gender, age ≥ 50 years, "doctor" profession and presence of chronic diseases were significant (p < 0.05)., Conclusions: During the study period, half of the healthcare workers in our hospital developed COVID-19 infection of whom 9.5% re-infected, predominantly during the Omicron variant period. Our findings highlight the importance of taking preventive measures and administering booster vaccine doses even after initial vaccination/infection., Competing Interests: No Conflict of Interest is declared, (Copyright (c) 2023 Gülşen İskender, Duygu Mert, Zühal Avşar, Servet Kölgelier, Mustafa Ertek.)

Brucellosis is a zoonotic infectious disease caused by Brucella spp., an intracellular bacterium. The complications of acute Brucellosis may affect all organs and systems. The most common complication of the disease is musculoskeletal system involvement. The neutrophil gelatinase-associated lipocalin (NGAL) is a marker of neutrophil formation and acts as a siderophore-binding protein to prevent bacterial iron uptake and its use as a marker in the diagnosis and follow-up of bacterial infections is being investigated. The aim of this study was to measure the serum levels of NGAL in patients with acute Brucellosis and Brucellar spondylodiscitis, and to determine whether there is a correlation between NGAL levels and the progression and complications of the disease. This prospective case control study was conducted with 240 patients and 120 healthy controls. The diagnosis of acute Brucellosis was established when a person was asked to take an STA test due to clinical symptoms within the past eight weeks, and the test result that exceeded 1/160, or a 4-fold titer increase was found in the STA test after an interval of two weeks, and/or there was Brucella spp. growth in the blood culture. A contrasted lumbar magnetic resonance (MR) scan was performed on patients diagnosed with acute Brucellosis who had lower back pain. Presence of spondylodiscitis was assessed radiologically with contrasted lumbar MR images. NGAL levels were determined with ELISA assay. The median NGAL value was found to be 456.67 ng/L (101.41-5804.41 ng/L) in patients with acute Brucellosis and 113.84 ng/L (58.29-542.34 ng/L) in the control group. The median NGAL value was statistically higher in the patients than the control group (p= 0.001). Brucellar spondylodiscitis was detected in 57 (23.7%) of 240 patients diagnosed with acute Brucellosis. The median NGAL value was 1885.62 ng/L (143.21-5804.41 ng/L) in patients with Brucellar spondylodiscitis, and 356.87 ng/L (101.41-1874.07 ng/L) in those who did not have Brucellar spondylodiscitis. This difference was statistically significant (p= 0.001). Erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) values were found to be higher in patients who had Brucellar spondylodiscitis. Blood cultures were drawn from 186 (77.5%) of the 240 patients diagnosed with acute Brucellosis. The blood culture positivity rate was 36.02%. Patients whose blood cultures were positive had higher NGAL levels (p= 0.001). The blood culture positivity rate was higher in patients who were diagnosed with Brucellar spondylodiscitis (p= 0.001). A regression analysis showed that female gender and high levels of NGAL, ESR, and alanine aminotransferase (ALT) could be used as predictors of Brucellar spondylodiscitis. The explanatoriness of the model was 82.3%. Although determination of NGAL levels is seen as a useful marker in the diagnosis of acute Brucellosis and predicting the presence of Brucellar spondylodiscitis, more comprehensive studies are required to be used in clinical practice in regions where Brucellosis is endemic.

Aim: The hepatitis B virus (HBV) is an important healthcare problem. Chronic hepatitis B infection may present with a wide range of manifestations from inactive carrier state to cirrhosis and hepatocellular cancer. Therefore, treatment is very important in chronic hepatitis B. In this study, the treatment results of 199 chronic hepatitis B patients taking entecavir 0.5 mg/day for 48 weeks were evaluated., Materials and Methods: This study retrospectively evaluated data of 199 treatment-naive chronic hepatitis B patients who were treated with entecavir., Results: Of the 199 treatment-naive chronic hepatitis B patients, 141 (70.9%) were males and 58 (29.1%) were females, and mean age of the whole group was 37.5 ± 12.1 years. HBeAg was positive in 91 (45.7%) and antiHBe was positive in 108 (54.3%) patients. Mean HBV DNA value was 666,449,365.5 ± 2,759,013,996.9 IU/mL, mean ALT value was 112.1 ± 95.7 U/L, and mean AST value was 95.3 &#95; 71.2 U/L. At week 24 of the treatment, HBV DNA levels were below 50 IU/mL in 56% of the HBeAg-positive and 76% of the HBeAg-negative patients. At week 48 of the treatment, HBV DNA levels were below 50 IU/mL in 79% of the HBeAg-positive and 87% of the HBeAg- negative patients. At week 24, ALT had normalized in 72% of the HBeAg-positive and 79% of the HBeAg-negative patients. At week 48, ALT had normalized in 89% of the HBeAg-positive and 88% of the HBeAg-negative patients. AntiHBe seroconversion was seen in 2 of 91 patients (2.2%), but the loss of HBsAg was never observed., Conclusion: The 48-week entecavir treatment at a dose of 0.5 mg/day was shown to be effective both for HBeAg-positive and negative patients.

Objective: The aim of this study was to evaluate the relative contribution of chronic illness and the physical effects such illness on the mental status of chronic hepatitis B patients by comparing them to inactive hepatitis B carriers, based on Hamilton Depression Rating Scale (HDRS) and Hamilton Anxiety Rating Scale (HARS) scores., Materials and Methods: The study included 444 participants: 249 HBsAg-positive inactive carriers (IC group) and 195 chronic hepatitis B patients (CH group) that were undergoing follow-up at Adiyaman University Research and Education Hospital, Department of Infectious Diseases Department. HBV carrier status and chronic hepatitis B were diagnosed based on European Association for the Study of Liver (EASL) guidelines. The HDRS and HARS were administered to all the participants via psychiatric interview., Results: The overall mean HDRS score was 6.2 ± 8 and the overall mean HARS score was 6.0 ± 7.1. Mean HDRS score in the IC group was 7.5 ± 5.8, versus 8.8 ± 6.6 in the CH group; the difference was significant (P = 0.037). Mean HARS score were similar in both groups (P > 0.05). There wasn't a difference in anxiety or depression scores based on participants'gender or age (P > 0.05). Additionally, there wasn't a correlation between duration of illness, and family history of hepatitis or cirrhosis, or anxiety or depression scores (P > 0.05). Anxiety scores were higher among the participants with comorbidity, in both CHB and IC groups (P= 0.005 and P = 0.001, respectively). Depression scores were higher among the IC group participants with comorbidity (P= 0.003). that can occur during the treatment and follow-up of chronic hepatitis patients. The presence of comorbidity in chronic hepatitis patients increases the risk of psychiatric complications., Conclusion: Psychiatric comorbidity, particularly anxiety and depression, are important problems.

Background: Serum apoptotic cytokeratine 18 neoepitope M30 (CK-18 M30) and matrix metalloproteinase 2 (MMP-2) have been popular markers for detecting liver fibrosis in recent years. CK-18 is a major intermediate filament protein in liver cells and one of the most prominent substrates of caspases during hepatocyte apoptosis. MMP-2 plays an important role in tissue remodeling and repairing processes during physiological and pathological states., Objectives: The objective of this study was to investigate the significance of CK-18 M30 and MMP-2 levels for clinical use in patients with chronic hepatitis B (CHB), as well as their sensitivity in determining cirrhotic patients., Patients and Methods: This study included 189 CHB patients and 51 healthy controls. A modified Knodell scoring system was used to determine the fibrosis level in chronic hepatitis B patients. CK-18 M30 levels were determined with an M30-Apoptosense ELISA assay. MMP-2 levels were determined with the ELISA assay., Results: The study group consisted of 132 (69.8%) males and 57 (30.2%) females, and the control group consisted of 25 males (49.0%) and 26 females (51%). Patients' CK-18 M30 levels were higher than values of the control group (308 [1-762] vs. 168 [67-287], P=0.001). Serum MMP-2 levels were found to be statistically higher in the patient group with respect to the controls (3.0 [1.1-6.8] vs. 2.0 [1.2-3.4], P=0.001). The highest serum CK-18 M30 and MMP-2 levels were measured in patients with cirrhosis. Serum apoptotic CK-18 M30 levels positively correlated with advanced age, fibrosis stage, serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels (P= 0.001, 0.033, 0.001, and 0.001, respectively). Serum MMP-2 levels positively correlated with fibrosis stage, serum ALT, and AST levels (P= 0.001, 0.001, and 0.001, respectively)., Conclusions: Our study indicated that CK-18 M30 and MMP-2 levels were higher in CHB patients compared to healthy controls and they were in association with significant hepatic fibrosis, especially cirrhosis.

Objective: In this study, malaria cases were determined in Adıyaman with active and passive surveillance studies by Local Health Authority, Centre for Struggle against malaria between the years 2000-2011., Methods: In 312.125 blood samples, obtained with the method of active and passive surveillance from the region where malaria is common, malarial parasite was investigated by the method of thin and thick blood smears., Results: In the observed samples, 184 malaria cases were determined; 38 (21.1%) with active, 145 (78.8%) of them with passive surveillance method. The rate of positive cases among all the observations was 0.05%. 108 (58.6%) of the cases were male, 76 (41.3%) of the cases were female. It was stated that 3 of the cases were provincial cases and 181 of them originated from extra-provincial sources. It was observed that, apart from one Plasmodium falciparum case which was from a foreign-source; all of the cases were plasmodium vivax positive. there were no cases of malaria between 2008 and 2011 years., Conclusion: The fact that there are many farming workers in Adıyaman and that these workers work in regions where malaria is endemic, threatens the population in the region with malarial infection . It was considered important for the Centre for the Struggle against Malaria and Adıyaman University, Medical Faculty to cooperate in the struggle against malaria by offering planned training programs in public health.