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Introduction: Patients with COVID-19 may present different viral loads levels. However, the relationship between viral load and disease severity in COVID-19 is still unknown. Therefore, this study aimed to systematically review the association between SARS-CoV-2 viral load and COVID-19 severity. Methods: The relevant studies using the keywords of "COVID-19" and "viral load" were searched in the databases of PubMed, Scopus, Google Scholar, and Web of Science. A two-step title/abstract screening process was carried out and the eligible studies were included in the study. Results: Thirty-four studies were included from the initial 1015 records. The vast majority of studies have utilized real-time reverse transcriptionpolymerase chain reaction of the nasopharyngeal/respiratory swabs to report

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Background and Aims Alteration in humans' gut microbiota was reported in patients infected with severe acute respiratory syndrome coronavirus‐2 (SARS‐CoV‐2). The gut and upper respiratory tract (URT) microbiota harbor a dynamic and complex population of microorganisms and have strong interaction with host immune system homeostasis. However, our knowledge about microbiota and its association with SARS‐CoV‐2 is still limited. We aimed to systematically review the effects of gut microbiota on the SARS‐CoV‐2 infection and its severity and the impact that SARS‐CoV‐2 could have on the gut microbiota. Methods We searched the keywords in the online databases of Web of Science, Scopus, PubMed, and Cochrane on December 31, 2021. After duplicate removal, we performed the screening process in two stages; title/abstract and then full‐text screening. The data of the eligible studies were extracted into a pre‐designed word table. This study adhered to the PRISMA checklist and Newcastle−Ottawa Scale Bias Assessment tool. Results Sixty‐three publications were included in this review. Our study shows that among COVID‐19 patients, particularly moderate to severe cases, the gut and lung microbiota was different compared to healthy individuals. In addition, the severity, and viral load of COVID‐19 disease would probably also be influenced by the gut, and lung microbiota's composition. Conclusion Our study concludes that there was a significant difference in the composition of the URT, and gut microbiota in COVID‐19 patients compared to the general healthy individuals, with an increase in opportunistic pathogens. Further, research is needed to investigate the probable bidirectional association of COVID‐19 and human microbiome.

Background and Aims To monitor the health status of pregnant women moment by moment, new technologies in the field of telemedicine can be used, such as virtual visits and virtual clinics. During the COVID‐19 pandemic, by using these technologies, useful and satisfactory services have been provided to pregnant mothers. The aim of this study is to specify the applications, features, and infrastructure of a comprehensive virtual clinic in the field of gynecological and pregnancy care. Methods A systematic review search was conducted through the scientific databases from February 2013 to February 2022 using Scopus, Web of Science, and PubMed. Furthermore, manual searches in Google Scholar and the reference lists of included studies were carried out. Results In this systematic review we included 16 articles that reported experiences in virtual clinics in pregnancy and postpartum healthcare. The involved studies were experimental, cohort, and cross‐sectional studies. The target group users were pregnant or women who gave birth and families of neonatal. The application of virtual clinics was for the visit, consultation, monitoring, follow‐up, and home care virtually. Highly satisfaction scores of caregivers after virtual visits and consultation were reported. There were some challenges during virtual visits and consultation; the most important challenge was a poor internet connection. Conclusion The reviewed studies show promising outcomes according to patient and provider satisfaction. We predict that telehealth will become a growingly significant part of gynecological care in the future.