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Sao Paulo, Jan 28 (IANS) A team of international researchers have found that the novel coronavirus can continue to be present in some human bodies upto 232 days. Researchers from France’s Pasteur Institute, the University of Sao Paulo (USP) and Oswaldo Cruz Foundation (Fiocruz) in Brazil conducted a study involving 38 Brazilian patients. The patients were followed until they tested negative twice or three times consecutively by RT-PCR. Of the 38 cases tracked, two men and a woman [...]

Rio de Janeiro, Nov 14 (IANS): Obesity is the factor most associated with the development of endothelial dysfunction, a condition in which the blood vessels become unable to contract and relax adequately, increasing the risk of events such as heart attacks, thrombosis (blood clotting) and stroke in Covid-19 patients, finds a study. Endothelium refers to the thin sheet of cells lining the walls of arteries and veins, as well as the inside of the heart. Endothelial cells release substances that [...]

Sao Paulo, Aug 26 (IANS): Pregnant women infected by the novel coronavirus run a higher risk of developing pre-eclampsia, according to a review of the scientific literature by Brazilian researchers. Pre-eclampsia is a pregnancy complication characterised by persistent high blood pressure, usually in the second half of pregnancy or shortly after delivery. The disorder can cause serious harm to mother and baby. The review published in the journal Clinical Science, analysed a large set of [...]

A review of the scientific literature published by Brazilian researchers shows that pregnant women infected by the novel coronavirus run a higher risk of developing pre-eclampsia, a pregnancy complication characterized by persistent high blood pressure, usually in the second half of pregnancy or shortly after delivery. The disorder can cause serious harm to mother and baby. An article with the findings of the review is published in the journal Clinical Science. The authors analyzed a [...]

Sao Paulo, Jul 7 (IANS): 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 [...]

Sao Paulo, June 4 (IANS) 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 [...]

Sao Paulo, May 19 (IANS): People who have had dengue in the past are twice as likely to develop symptoms of Covid-19 if they are infected by coronavirus, finds a new study. The study, led by University of Sao Paulo in Brazil, detected the presence of antibodies against dengue virus and SARS-CoV-2 in blood samples from 1,285 inhabitants of Mancio Lima, a small town in the state of Acre, part of Brazil's Amazon region. "Our results show that the populations most exposed to dengue, [...]

Sao Paulo, Apr 24 (IANS): 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 [...]

Brasilia, March 3 (IANS): The coronavirus variant detected in the northern Brazilian state of Amazonas is twice as contagious and capable of re-infecting those who already had Covid-19, according to a study The Sao Paulo Research Foundation said on Tuesday that the scientific research group was coordinated by Ester Sabino, an expert on infectious diseases at the University of Sao Paulo, and Nuno Faria, a researcher at Oxford University, reports Xinhua news agency. The virus variant was [...]