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Cranial computed tomography (CT) is the most generally utilized diagnostic method for the emergent evaluation of head trauma (TBIs) because it is readily accessible, quick, and sensitive for clinically relevant traumatic brain injuries as well as non-traumatic abnormalities. Objective: To determine the frequency, causes, and findings of brain computed tomography scan at The University of Lahore teaching hospital. Methods: A descriptive study was conducted at The University of Lahore Teaching Hospital. A sample of 202 brain CT scans from a total of 933 participants seen in the CT department was obtained using a suitable sampling technique. Data analysis was done using SPSS version 21.0. Results: There were 78 (38.6%) female patients and 124 (61.4%) male patients out of 202 total patients. The mean age of the patients was 47.1± 23 years. The most prevalent of them, brain atrophy, was observed in 63 (31.2%) of the patients. 51 (25.2%) patients had infarction, 36 (17.8%) had sinusitis, 24 (11.9%) had ischemic demyelination, and 16 (7.9%) had fractures and hemorrhages. In 8 (4.0%) patients, mastoiditis, tumors, and carcinoma were reported. 7 patients (3.5%) had cysts, 6 patients (3.0%) reported contusions, and 2 patients (1.0%) had abscesses. Conclusions: According to our research, the vast majority of individuals who underwent CT scans had a history of headache and falls and the most frequent observation in the patients was brain atrophy. Other major findings found were sinusitis and infarction.

Introduction As coronavirus disease 2019 (COVID-19) immunizations become more common, concerns about their safety and reactogenicity have grown. It is important to assess and analyze the post-vaccination side effects of several COVID-19 vaccines that have been licensed in Pakistan. Methods and results A comparative cross-sectional study was conducted between October 2021 and January 2022 to collect data on the side effects produced by different COVID-19 vaccines. An online survey was conducted to gather data on participants' demographics, clinical profiles, COVID-19 profiles as well as the intensity and side effects of COVID-19 vaccines. Statistical Package for the Social Sciences (SPSS) version 22.0 (IBM Corp., Armonk, NY) was used to analyze the data collected. Out of 421 participants, 63.2% were males, 36.8% of participants received messenger RNA (mRNA) vaccine, 33.2% received viral vector vaccine, 29.9% received inactivated vaccine, and further 71.7% of the total subjects were completely immunized. The majority of the symptoms were mild to moderate in degree. Approximately, 0.7% of the individuals reported experiencing serious adverse effects. Injection site pain (35.9%) was noted to be the most remarkable post-vaccination side effect followed by fever (33.2%) and fatigue (23.1%). Prior COVID-19 infection was not associated with the severity of any COVID-19 vaccine-related side effect (p