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September 30, 2020
COVID-19 among People Experiencing Homelessness in England: A Modelling Study
A modeling study found that continuing measures to prevent SARS-CoV-2 infection among people experiencing homelessness would result in a small projected number of cases and deaths (1754 infections, 31 deaths) in the context of a second wave of SARS-CoV-2 infection in the general population (June 2020 to January 2021). However, in a scenario with no…
Comparison of Infection Control Strategies to Reduce COVID-19 Outbreaks in Homeless Shelters in the United States a Simulation Study
[Pre-print, not peer-reviewed] A microsimulation model calibrated to PCR data from outbreaks in 5 homeless shelters found that while infection control strategies can prevent outbreaks in low-risk settings, they may be unlikely to do so in high-risk settings. The model found that in shelters with low (R0 = 1.5), moderate (R0 = 2.9), and high…
Maternal Mental Health and Coping during the COVID‐19 Lockdown in the UK: Data from the COVID‐19 New Mum Study
Among surveyed women living in the UK with an infant aged ≤12 months (n=1,329), a majority reported feeling down (56%), lonely (59%), irritable (62%), and worried (71%) since the beginning of lockdown, but 70% felt able to cope. Having support with her own health, contacting infant support groups, and higher gestational age of the infant…
Angiotensin-Converting Enzyme 2 (ACE2) Levels in Relation to Risk Factors for COVID-19 in Two Large Cohorts of Patients with Atrial Fibrillation
Male sex, cardiovascular disease, diabetes, and biomarker indicators of biological aging were associated with higher levels of soluble angiotensin-converting enzyme 2 (sACE2) among two international cohorts of elderly patients with atrial fibrillation. Higher levels of sACE2 could reflect a higher cellular expression of ACE2, a cellular receptor by which SARS-CoV-2 enters human cells, and thus…
Risk Factors, Presentation, and Course of Coronavirus Disease 2019 in a Large, Academic Long-Term Care Facility
Nearly half (46%) of the 146 out of 389 residents of a long-term care facility who were diagnosed with COVID-19 were asymptomatic at the time of diagnosis, emphasizing the importance of universal testing rather than symptom-based testing to control outbreaks. Anorexia and delirium where the most common symptoms during the course of illness. Male sex…
Association of a Prior Psychiatric Diagnosis With Mortality Among Hospitalized Patients With Coronavirus Disease 2019 (COVID-19) Infection
Among a cohort of hospitalized patients with COVID-19 in the US (n=1685), the risk of death remained significantly greater among patients with a psychiatric disorder after controlling for demographic characteristics, other medical comorbidities, and hospital location. Li et al. (Sept 30, 2020). Association of a Prior Psychiatric Diagnosis With Mortality Among Hospitalized Patients With Coronavirus…
Risk of COVID-19-Related Death among Patients with Chronic Obstructive Pulmonary Disease or Asthma Prescribed Inhaled Corticosteroids: An Observational Cohort Study Using the OpenSAFELY Platform
In a large cohort of people with chronic obstructive pulmonary disease (COPD) in the UK (n=148,557), and asthma (818,490), Schultze et al. found an increased risk of COVID-19 related death associated with use of inhaled corticosteroids, compared to other commonly-used medications. The authors note that the observed increased risks could be attributed to unmeasured confounding…
Reliability of Serological Tests for COVID-19: Comparison of Three Immunochromatography Test Kits for SARS-CoV-2 Antibodies
Three commercially available serological test kits using immunochromatography (Hangzhou AllTest, SD BIOSENSOR, and Vazyme) were evaluated using identical sample sets consisting of 99 serum samples from SARS-CoV-2 positive patients and 100 serum samples from healthy volunteers in 2017. All test kits achieved >97% specificity for IgM and IgG and >97% sensitivity to IgG at 13…
The Role of Anti-Hypertensive Treatment, Comorbidities and Early Introduction of LMWH in the Setting of COVID-19: A Retrospective, Observational Study in Northern Italy
Chronic treatment with the antihypertensive medications angiotensin converting enzyme inhibitors (ACE-I) and early treatment with low-molecular-weight heparin (LMWH) were both associated with lower in-hospital mortality in a cohort of patients hospitalized with COVID-19 in Italy (n=575), after adjusting for age. Angiotensin receptor blockers, which are also antihypertensive agents acting on the same physiological pathway, were…
Comparative Study of Four SARS-CoV-2 Nucleic Acid Amplification Test (NAAT) Platforms Demonstrates That ID NOW Performance Is Impaired Substantially by Patient and Specimen Type
The nucleic acid amplification test (NAAT) platform Abbott ID NOW performed significantly worse than similar tests (Abbott m2000, DiaSorine Simplexa, and Cepheid Xpert) in detecting SARS-CoV-2 RNA in a comparative study. All four tests were used in parallel on nasopharyngeal and nasal samples from 88 emergency department and hospital-admitted patients. In particular, the ID NOW…
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