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COVID19: Omicron's mutations explain why it is less severe among vaccinated
Publicado em 10 fevereiro 2022
Brazilian researchers have found that Omicron has mutations detected in previous variants and that is the reason why it is less severe among the vaccinated. Omicron emerged as a variant of concern only in November 2021, but all the mutations it contains, except one, had been described before that. Researchers at the Federal University of Sao Paulo (UNIFESP) in Brazil attribute this factor to the effectiveness of the existing vaccines against the variant, reflected in the relatively small number [...]
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Study reveals COVID can remain active in some people for over 7 months
Publicado em 29 janeiro 2022"Based on this result, we can say that about 8 per cent of people infected by SARS-CoV-2 may be able to transmit the virus for more than two months, without necessarily manifesting any symptoms during the final stage of the infection," said Marielton dos Passos Cunha, first author of the article. 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, [...]ver notícia -
Covid-19 can infect, replicate in salivary gland cells: Research
Publicado em 07 julho 2021Brazilian 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 [...]ver notícia -
People with Alzheimer's are at threefold risk of dying by Covid-19: Study
Publicado em 04 junho 2021People 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 [...]ver notícia -
Saliva can predict excess body fat in teenagers
Publicado em 19 fevereiro 2020Rio de Janeiro, Feb 19 | In addition to keeping the mouth moist and protecting us against germs, saliva can also be used for early detection of the risk of developing diseases associated with surplus body fat, a new study suggests. For the findings, published in the journal Nutrition Research, the researchers in Brazil performed a study in which they used the level of uric acid in saliva to predict body fat percentages in teenagers and identify those with surplus fat even if they had no [...]ver notícia