Introduction to Sars Cov 2 Prevalence
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Random-effect meta-analysis of prevalence estimates yields a baseline SARS-Cov-2 prevalence of 2{middle dot}14% (95% Confidence-Interval, 95%CI=1{middle dot}02-3{middle dot}27) in PEH and 1{middle dot}72 % (95%CI=0{middle dot}31-3{middle dot}12) in staff.
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Random-effect meta-analysis yields a baseline SARS-Cov-2 prevalence of 2•32% (95% Confidence-Interval, 95%CI=1•30–3•34) in PEH and 1•55% (95%CI=0•79–2•31) in staff.
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Wastewater-based epidemiology (WBE) of human viruses can be a useful tool for population-scale monitoring of SARS-CoV-2 prevalence and epidemiology to help prevent further spread of the disease, particularly within urban centres.
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However, the low positive predictive value in a context of low SARS-CoV-2 prevalence underscores the need for confirmatory testing in SARS-CoV-2 antigen-positive cases.
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Background Racial disparities in SARS-CoV-2 prevalence are apparent.
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In conclusion, a high SARS-CoV-2 prevalence was found in Western Mexico.
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Conclusions: Our study suggests that strict implementation of protective measures was associated with low SARS-Cov-2 prevalence at the end of first National Containment, including among HCP treating COVID-19+ patients.
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Differences in accuracy and positive and negative predictive values (PPV, NPV) were calculated for a range (1-50%) of SARS-CoV-2 prevalence estimates.
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Less attention has been given to the age distributions of serious medical interventions administered to COVID-19 patients, which could reveal sources of potential pressure on the healthcare system should SARS-CoV-2 prevalence increase, and could inform mass vaccination strategies.
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The economic evaluation of the subgroup of undiagnosed persons presenting for SARS-CoV-2 testing showed 79 more persons in a cohort of 100 000 persons would be detected using nasopharyngeal swabs versus saliva, assuming a SARS-CoV-2 prevalence of 1%, at an incremental cost of $US8093 per additional SARS-CoV-2 infection detected.
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It summarises current data on SARS-CoV-2 prevalence in domestic cats and the results of experimental infections of cats and provides expert opinions on the clinical relevance and prevention of SARS-CoV-2 infection in cats.
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Given the potential shortand long-term consequences of medical care delay or avoidance, we sought to determine whether similar care avoidance was observed in a region with low SARS-CoV-2 prevalence.
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Background We evaluated whether occupancy modeling, an approach developed for detecting rare wildlife species, could overcome inherent accuracy limitations associated with rapid disease tests to generate fast, accurate, and affordable SARS-CoV-2 prevalence estimates.
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Objective: Based on SARS-CoV-2 prevalence data derived from a statewide random sample (as opposed to relying on reported case counts), we determine the infection-hospitalization ratio (IHR), defined as the percentage of infected individuals who are hospitalized, for various demographic groups in Indiana.
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Against the background of the varied SARS-CoV-2 prevalence internationally, we modelled the potential impacts of pre-event interventions on epidemic risk of holding a mass event when COVID-19 is under control.
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When SARS-CoV-2 prevalence is low, many RT-qPCR-positive test results are false positives.
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Objectives
To evaluate the role of childcare facilities in the transmission of SARS-CoV-2, we conducted a longitudinal study to gain further knowledge on SARS-CoV-2 prevalence, transmission and spread among preschool children, their parents and caretakers.
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Despite the generally low risk of school-based transmission found in this study, with SARS-CoV-2 prevalence rising in New York City this risk will increase and additional mitigation steps should be implemented in schools now.
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Objective To evaluate the role of childcare facilities in the transmission of severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2) in a longitudinal study to gain further knowledge of SARS-CoV-2 prevalence, transmission, and spread among preschool children, their parents, and their caregivers.
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In this group, SARS-CoV-2 prevalence was up 16.
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Random-effect meta-analysis of prevalence estimates yields a baseline SARS-Cov-2 prevalence of 2.
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Conclusions
Low SARS-CoV-2 prevalence and limited exposure risk were observed.
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Matrix performance was tested by simulation under different SARS-CoV-2 prevalence scenarios of 0.
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The vaccines transiently increased SARS-CoV-2 prevalence for several weeks, and when vaccination rates reached about 5% and 30%, respectively, CFR and mortality decreased.
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Methods Cross-sectional surveys were administered to representative samples of adults aged ≥18 years from regions with different SARS-CoV-2 prevalences from April 2–8, 2020.
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Results
Urban, fixed-post SIAs during periods of high SARS-CoV-2 prevalence increased infections within the community by around 28 [range:0–79] per 1000 vaccinations.
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Conclusions High-volume ascertainment of SARS-CoV-2 prevalence by PCR and antibody testing was feasible when conducted in a community-led, drive-through model in a non-urban area.
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However, to date, there is no epidemiological data regarding anti-SARS-CoV-2 prevalence in Mexico.
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We measured antibodies against SARS-CoV-2 and HCoV as evidence for prior corresponding infections and assessed if SARS-CoV-2 prevalence of infection and levels of antibody responses were shaped by prior seasonal coronavirus infections.
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The real-time assessment of community transmission study (REACT-1) obtains throat and nose swabs from randomly selected people in England in order to describe patterns of SARS-CoV-2 prevalence.
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However, Validation of our measures is outstanding and regional SARS-CoV-2 prevalence was low.
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SARS-CoV-2 prevalence is here described site by site, and we identify risk factors associated with SARS-CoV-2 positivity rates.
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The highest SARS-CoV-2 prevalence was found in Hispanic individuals who made up 8.
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Here, as part of a large-scale study on SARS-CoV-2 prevalence in pets in Spain, we have detected the B.
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By this first population-based study on SARS-CoV-2 prevalence in a large German municipality not affected by a superspreading event, we could show that at least one in four cases in private households was reported and known to the health authorities.
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4/100)% with a SARS-CoV-2 prevalence of 32.
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Although nucleic acid amplifications tests (NAAT) are the gold standard for COVID-19 diagnostic testing, serological assays provide better population-level SARS-CoV-2 prevalence estimates.
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We then developed an algorithm- for differing levels of Rt, arrivals per day, mode of travel, and SARS-CoV-2 prevalence amongst travelers- to determine the minimum proportion of people that would need Ag-RDT testing at border crossings to ensure no greater than the relative 1% community spread increase.
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Findings In part one (n = 352) SARS-CoV-2 prevalence was 4.
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To examine the association between county average nursing home bed size and presence of certificate of need (CON) laws, which influence nursing home size, with county-level SARS-CoV-2 prevalence over time.
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The study also revealed that the pooling strategy helps to save a lot on resources, time and expands diagnostic capabilities without affecting the sensitivity of the test in areas with low SARS-COV-2 prevalence.
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Persistently common experiences of adverse mental health symptoms despite low SARS-CoV-2 prevalence during prolonged lockdown highlight the urgent need for mental health support services.
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Data from 44 sewage sites in England, covering 31% of the population, shows that SARS-CoV-2 prevalence is estimated to within 1.
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Methods In September 2020, we re-contacted participants from SARS-CoV-2 prevalence studies conducted in Zambia in July 2020 whose PCR tests were positive.
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Random-effect meta-analysis of prevalence estimates yields a baseline SARS-Cov-2 prevalence of 2{middle dot}14% (95% Confidence-Interval, 95%CI=1{middle dot}02-3{middle dot}27) in PEH and 1{middle dot}72 % (95%CI=0{middle dot}31-3{middle dot}12) in staff.
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Random-effect meta-analysis yields a baseline SARS-Cov-2 prevalence of 2•32% (95% Confidence-Interval, 95%CI=1•30–3•34) in PEH and 1•55% (95%CI=0•79–2•31) in staff.
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The raw wastewater concentration values reflected SARS-CoV-2 prevalence on campus as detected by clinical services.
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Objectives
To assess SARS-CoV-2 prevalence and health outcomes among inmates over 60 years of age during a COVID-19 outbreak in a major penitentiary complex in the Federal District, Brazil.
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Initial PPE training, simulations and segregating patients were widespread but appear to be waning with persistent low SARS-CoV-2 prevalence.
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990 Representative community antigen sampling can improve situational awareness and help evaluate interventions at low SARS-CoV-2 prevalence.
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Main outcome measures Participants’ estimates of the SARS-CoV-2 prevalence; the predictive and diagnostic accuracy of the test; the behavioural impact of (positive vs negative) test results; the perceived usefulness of a short-term repetition of the test following positive or negative results; and rankings of causes for false positives and false negatives.
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We calculated the sensitivity, specificity, and expected positive and negative predictive values at different SARS-CoV-2 prevalence estimates.
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We aimed to estimate SARS-CoV-2 prevalence in six districts of Zambia in July, 2020, using a population-based household survey.
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Result: The estimated SARS-CoV-2 prevalence was 3.
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We assessed SARS-CoV-2 prevalence among volunteers from population-representative households in urban and rural areas of the state of Karnataka (population, 67.
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During a period of rising SARS-CoV-2 prevalence, students at the University of Cambridge were enrolled in a voluntary programme of weekly PCR-based asymptomatic screening.
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Background Robust community-level SARS-CoV-2 prevalence estimates have been difficult to obtain in the American South and outside of major metropolitan areas.
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Results: Analyses of median population age demonstrated a positive correlation between median age and SARS-CoV-2 prevalence and death rates.
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Background
Serologic testing provides better understanding of SARS-CoV-2 prevalence and its transmission.
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Total anti-SARS-CoV-2 prevalence was 19.
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In our region with a low population density and low SARS-CoV-2 prevalence, reopening of primary schools did not lead to an increase in infections.
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Conclusion: The SARS-CoV-2 prevalence in IMID patients over the study period seems to be similar to that of the general population1.
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REACT-1 is a survey of SARS-CoV-2 prevalence in the community in England, based on repeated cross-sectional samples of the population.
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Little was known in March 2020 about SARS-CoV-2 prevalence, serological conversion, asymptomatic transmission or risk factors for transmission, particularly in military populations.
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Background: No previous study has investigated the SARS-CoV-2 prevalence and the changes in the proportion of positive results due to lockdown measures from the angle of workers’ vulnerability to coronavirus in Greece.
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However, SARS-CoV-2 prevalence among HCWs is not known in Zambia.
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Throughout the COVID-19 pandemic, wastewater surveillance has been used to monitor trends in SARS-CoV-2 prevalence in the community.
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Results: Analyses of median population age demonstrated a positive correlation between median age and SARS-CoV-2 prevalence and death rates.
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SARS-CoV-2 prevalence for the combined measure was 0.
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SARS-CoV-2 prevalence tests led to the discovery of infected farmed minks worldwide.
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The present systematic review aims to estimate SARS-CoV-2 prevalence on inanimate surfaces, identifying risk levels according to surface characteristics.
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Conclusion: our findings from this setting show a low IgG SARS-CoV-2 prevalence among PLWH as compared to data available from the general population.
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The protocol was adopted by the New York City Department of Environmental Protection in August 2020 to monitor SARS-CoV-2 prevalence in wastewater in all five boroughs of the city.
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The protocol was adopted by the New York City Department of Environmental Protection in August 2020 to support their efforts in monitoring SARS-CoV-2 prevalence in wastewater in all five boroughs of the city.
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