Objectives The purpose of our study was to assess COVID-19 vaccine acceptance among health care workers (HCW) in the Kingdom of Saudi Arabia (KSA), and identify: 1) vaccine acceptance barriers; 2) demographic differences; and 3) the most trusted COVID-19 sources of information. Methods Between October and December 2020, all registered HCW in the KSA were emailed a survey questionnaire, using Qualtrics® and Google Forms®, evaluating the acceptance of a COVID-19 vaccine. Results Of the 23,582 participants surveyed, 15,299 (64.9%) said they would accept a COVID-19 vaccine. Vaccine acceptance among HCW differed by several demographic characteristics with males (69.7%), Christians (71.9%), and Pakistanis (81.6%) were most likely to accept a COVID-19 vaccine. Of the 8,202 (35.1%) who said they would not accept a COVID-19 vaccine, the main reason reported was fear of potential side effects (58.5%). Participants reported health officials (84.6%) as the most reliable source of COVID-19 information. Additionally, participants reported the highest confidence in the KSA Ministry of Health (88.5%). Conclusions Overall, these findings provide KSA health care authorities with the information needed to develop public health messaging campaigns for HCW to best address COVID-19 vaccine concerns—especially as the country prepares to vaccinate its general population.
Background We conducted a scoping review focused on various forms of substance use amid the pandemic, looking at both the impact of substance use on COVID-19 infection, severity, and vaccine uptake, as well as the impact that COVID-19 has had on substance use treatment and rates. Methods A scoping review, compiling both peer-reviewed and grey literature, focusing on substance use and COVID-19 was conducted on September 15 2020 and again in April 15 2021 to capture any new studies. Three bibliographic databases (Web of Science Core Collection, Embase, PubMed) and several preprint servers (EuropePMC, bioRxiv, medRxiv, F1000, PeerJ Preprints, PsyArXiv, Research Square) were searched. We included English language original studies only. Results Of 1564 articles screened in the abstract and title screening phase, we included 111 research studies (peer-reviewed: 98, grey literature: 13) that met inclusion criteria. There was limited research on substance use other than those involving tobacco or alcohol. We noted that individuals engaging in substance use had increased risk for COVID-19 severity, and Black Americans with COVID-19 and who engaged in substance use had worse outcomes than white Americans. There were issues with treatment provision earlier in the pandemic, but increased use of telehealth as the pandemic progressed. COVID-19 anxiety was associated with increased substance use. Conclusions Our scoping review of studies to date during COVID-19 uncovered notable research gaps namely the need for research efforts on vaccines, COVID-19 concerns such as anxiety and worry, and low- to middle-income countries (LMICs) and under-researched topics within substance use, and to explore the use of qualitative techniques and interventions where ap- propriate. We also noted that clinicians can screen and treat individuals exhibiting substance use to mitigate effects of the pandemic. Funding Study was funded by the Institution for Social and Policy Studies, Yale University and The Horowitz Foundation for Social Policy. DH was funded by a NIDA grant (R01DA048860). The funding body had no role in the design, analysis, or interpretation of the data in the study.
Needle exchange-based health care services can reduce ED utilization among high-risk injection drug users. Such services may have an important role within communities with high rates of drug use and HIV/AIDS.
Iran has been the country most affected by the outbreak of SARS-CoV-2 in the Middle East. With a relatively high case fatality ratio and limited testing capacity, the number of confirmed cases reported is suspected to suffer from significant underreporting. Therefore, understanding the transmission dynamics of COVID-19 and assessing the effectiveness of the interventions that have taken place in Iran while accounting for the uncertain level of underreporting is of critical importance. In this paper, we developed a compartmental transmission model to estimate the time-dependent effective reproduction number since the beginning of the outbreak in Iran. We associate the variations in the effective reproduction number with a timeline of interventions and national events. The estimation method accounts for the underreporting due to low case ascertainment. Our estimates of the effective reproduction number ranged from 0.66 to 1.73 between February and April 2020, with a median of 1.16. We estimate a reduction in the effective reproduction number during this period, from 1.73 (95% CI 1.60-1.87) on 1 March 2020 to 0.69 (95% CI 0.68-0.70) on 15 April 2020, due to various non-pharmaceutical interventions. The series of non-pharmaceutical interventions and the public compliance that took place in Iran are found to be effective in slowing down the speed of the spread of COVID-19. However, we argue that if the impact of underreporting is overlooked, the estimated transmission and control dynamics could mislead public health decisions, policy makers, and the general public.
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