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Brazilian researchers have found that tissues which specialise in saliva production and secretion can serve as reservoirs for SARS-CoV-2, the virus causing Covid-19, magnifying its infectious potential.Researchers at the University of Sao Paulo (USP) analysed samples from three types of salivary gland obtained during a minimally invasive autopsy procedure performed on 24 patients who died from complications of Covid-19 and discovered that SARS-CoV-2 infects and replicates in the salivary [...]

People with dementia, particularly Alzheimer's disease are at threefold risk of dying as a result of infection by SARS-CoV-2, the virus behind Covid-19, according to a study by Brazilian researchers. The risk is six times greater if they are over 80, found the team at the University of Sao Paulo (USP) and Butantan Institute in partnership with colleagues at the Federal University of Rio de Janeiro (UFRJ). "We found that all causes of dementia are risk factors for severity and death in [...]

Sao Paulo , 24 Apr 2021 - Scientists now report that a high dose of vitamin D administered on admission to hospital has failed to improve the condition of patients with moderate or severe Covid-19.A clinical trial was conducted in Brazil with 240 patients who were given 200,000 IU of vitamin D3 on admission to hospital. The supplementation did not reduce length of stay or affect the proportion requiring intensive, according to the study published in the Journal of the American Medical [...]

Lung ultrasound, considered a simple method for diagnosing lung disease, can also help predict the clinical progression of severe Covid-19 patients, a new study suggests.The study, published in the journal Annals of Intensive Care, showed that the higher the lung ultrasound score, the greater the risk of admission to an intensive care unit (ICU), intubation and death. "We found lung ultrasound to be a good predictor of the need for intensive care with endotracheal intubation and the risk [...]