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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 [...]

While masks have become the new fashion statement for many, it has raised troubles for people with hearing loss. But, researchers have found that the use of transparent masks during communication increases comprehension of speech by about 10 per cent for such people. In the US, two models of masks with a see-through portion in the mouth area have been approved by the Food and Drug Administration and Centers for Disease Control and Prevention. The study, published in the journal Ear and [...]

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 [...]

Researchers have claimed that transparent stretchable plastic (PVC) film used in packaging meat, fruit, other foods, and to protect surfaces, can inactivate the novel Coronavirus responsible for the COVID-19 outbreak worldwide. Marketed by Brazilian plastics manufacturer Alpes, the material contains silver and silica nanoparticles, a technology developed and licensed by Nanox. In tests conducted at the University of Sao Paulo's Biomedical Sciences Institute (ICB-USP), the PVC film proved [...]