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Global prevalence of alkhumra hemorrhagic fever virus infection: The first meta-analysis and systematic review

Alshehri AA, Irekeola AA

J Infect Public Health, 2024 Apr 04;17(6):986-993.
PMID: 38631068 DOI: 10.1016/j.jiph.2024.04.001

Alkhumra hemorrhagic fever virus (AHFV) has spread beyond the Middle East. However, the actual global prevalence of the virus is yet unknown. This systematic review and meta-analysis, thus, followed the standard reporting guidelines to provide comprehensive details on the prevalence of Alkhumra virus infection globally. The pooled prevalence of AHFV globally was estimated at 1.3% (95% CI: 0.3-6.3), with higher prevalence in humans (3.4%, 95% CI: 0.4-25.0) compared to animals (0.7%, 95% CI: 0.3-1.8). The prevalence in ticks and camels were 0.7% and 0.2%, respectively. Overall, there was a high prevalence rate in Asia (2.6%) compared to Africa (0.5%), and a distinctly higher prevalence in Saudi Arabia (4.6%) compared to other parts of the world (<1%). Lower surveillance rate in humans was observed in recent years. These findings will aid public health preparedness, surveillance, and development of preventive measures due to AHFV's potential for outbreaks and severe health consequences.
Current and Future Technologies for the Detection of Antibiotic-Resistant Bacteria

Yamin D, Uskoković V, Wakil AM, Goni MD, Shamsuddin SH, Mustafa FH, et al.

Diagnostics (Basel), 2023 Oct 18;13(20).
PMID: 37892067 DOI: 10.3390/diagnostics13203246

Antibiotic resistance is a global public health concern, posing a significant threat to the effectiveness of antibiotics in treating bacterial infections. The accurate and timely detection of antibiotic-resistant bacteria is crucial for implementing appropriate treatment strategies and preventing the spread of resistant strains. This manuscript provides an overview of the current and emerging technologies used for the detection of antibiotic-resistant bacteria. We discuss traditional culture-based methods, molecular techniques, and innovative approaches, highlighting their advantages, limitations, and potential future applications. By understanding the strengths and limitations of these technologies, researchers and healthcare professionals can make informed decisions in combating antibiotic resistance and improving patient outcomes.
Fulltext Serological markers of transfusion transmissible infections and ABO blood groups in Najran, Saudi Arabia

Alshehri AA, Adebayo Irekeola A, Merae Alshahrani M, Mohammed Abdul KS, Ahmed Asiri S, Aboluluy BF, et al.

Saudi Med J, 2024 Jul;45(7):667-674.
PMID: 38955448 DOI: 10.15537/smj.2024.45.7.20240338

OBJECTIVES: To ascertain the prevalence of transfusion transmissible infections (TTIs) across diverse donor groups in the Najran province. Additionally, to establish a potential association between the development of TTI and the donors' blood group, as determined by the ABO/Rh blood grouping system.
METHODS: Blood donation data of 4120 donors, spanning from January to December 2020, were retrospectively reviewed. The blood were screened for TTI markers, including hepatitis B surface antigen (HBsAg), anti-hepatitis B core (anti-HBc), anti-hepatitis C virus (anti-HCV), anti-human immunodeficiency viruses 1 and 2 (anti-HIV1&2), anti-human T-lymphotropic virus types 1 and 2 (anti-HTLV-1&2), and syphilis antigen.
RESULTS: Positive TTI markers were detected in 10.9% of the donors. The most detected TTI marker was anti-HBc (8.9%), followed by HBsAg (0.7%). Other markers were individually detected in <1% of the donors. Anti-HBc-positive was significantly elevated among non-Saudi blood donors. There was an association between age groups and anti-HCV (p=0.002), anti-HTLV (p=0.004) and syphilis antigen (p=0.02) markers positivity. The AB positive blood group exhibited the most positivity for TTI markers, followed by O positive blood group. Similarly, association was found between ABO group and HBsAg (p=0.01), anti-HBc (p=0.001), and anti-HCV (p<0.001) markers positivity.
CONCLUSION: Emphasis on implementing robust screening measures for donated blood is underscored by this study. There is the need for future study to extensively evaluate TTI status to enhance our understanding of the trend in TTI.
Pooled rates and demographics of POTS following SARS-CoV-2 infection versus COVID-19 vaccination: Systematic review and meta-analysis

Yong SJ, Halim A, Liu S, Halim M, Alshehri AA, Alshahrani MA, et al.

Auton Neurosci, 2023 Dec;250:103132.
PMID: 38000119 DOI: 10.1016/j.autneu.2023.103132

PURPOSE: To address recent concerns of postural orthostatic tachycardia syndrome (POTS) occurring after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and coronavirus disease 2019 (COVID-19) vaccination.
METHODS: We searched PubMed, Web of Science, and Scopus as of 1st June 2023. We performed a systematic review and meta-analysis of pooled POTS rate in SARS-CoV-2-infected and COVID-19-vaccinated groups from epidemiological studies, followed by subgroup analyses by characteristic. Meta-analysis of risk ratio was conducted to compare POTS rate in infected versus uninfected groups. Meta-analysis of demographics was also performed to compare cases of post-infection and post-vaccination POTS from case reports and series.
RESULTS: We estimated the pooled POTS rate of 107.75 (95 % CI: 9.73 to 273.52) and 3.94 (95 % CI: 0 to 16.39) cases per 10,000 (i.e., 1.08 % and 0.039 %) in infected and vaccinated individuals based on 5 and 2 studies, respectively. Meta-regression revealed age as a significant variable influencing 86.2 % variance of the pooled POTS rate in infected population (P