Effect of Vitamin D3 Supplementation on Severe Asthma Exacerbations in Children With Asthma and Low Vitamin D Levels: The VDKA Randomized Clinical Trial – JAMA (free for a limited period) Commentary: Compared to placebo, vitamin D has no benefit for severe asthma attacks, study finds – University of Pittsburgh School of Medicine AND Don’t count on […]

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Risk of hydroxychloroquine alone and in combination with azithromycin in the treatment of rheumatoid arthritis: a multinational, retrospective study – The Lancet Rheumatology Commentary: Hydroxychloroquine plus azithromycin increases heart risk, finds global study – Columbia University Irving Medical Center  

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New drool-based tests are replacing the dreaded coronavirus nasal swab – Science  

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Nosocomial COVID-19 infection: examining the risk of mortality. The COPE-Nosocomial Study (COVID in Older PEople) – Journal of Hospital Infection Commentary: Expert reaction to a study looking at hospital-acquired COVID-19 infections – Science Media Centre  

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Effect of Renin-Angiotensin-Aldosterone System Inhibitors in Patients with COVID-19: a Systematic Review and Meta-analysis of 28,872 Patients – Current Atherosclerosis Reports Commentaries: Expert reaction to study looking at blood pressure medicines and COVID-19 – Science Media Centre AND Coronavirus Treatment: Blood Pressure Medicines May Reduce COVID-19 Severity, Deaths: Study – International Business Times  

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Two metres or one: what is the evidence for physical distancing in covid-19? – The BMJ Commentary: Rigid social distancing rules for COVID-19 based on outdated science – British Medical Journal  

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Post-discharge persistent symptoms and health-related quality of life after hospitalization for COVID-19 – Journal of Infection Commentary: COVID-19 symptoms can persist for months after hospital stay – CIDRAP  

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BCG vaccination in infancy does not protect against COVID-19. Evidence from a natural experiment in Sweden – Clinical Infectious Diseases  

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COVID-19 re-infection by a phylogenetically distinct SARS-coronavirus-2 strain confirmed by whole genome sequencing – Clinical Infectious Diseases See also: First Covid-19 reinfection documented in Hong Kong  

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Duration of SARS-CoV-2 Infectivity: When is it Safe to Discontinue Isolation? – Clinical Infectious Diseases  

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