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    dcyphr-d by Daniel Amuedo on 2020-06-18
    Abstract     Humans have exposure to microplastics through a variety of sources on a daily basis. The health effects are unknown, and this study looks at all pertinent studies published up to September of 2016 in relation to health effects. Microplastics could accumulate and produce a toxicity that is localized to the spot where they gather. This could even induce an immune response. There is also risk in the toxicity that comes from chronic exposure and the chemicals added to the plastic. The t...
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    dcyphr-d by Christina Hijiya on 2020-06-18
    AbstractThis study provides the first evidence of mental distress and its predictors in Brazil during the COVID-19 epidemic. The researchers conducted a survey of 638 adults in Brazil one month after the first confirmed case of COVID-19 in Sao Paulo, the epicenter of the Brazilian outbreak. They found that 52% of the sampled adults experienced moderate distress, and 18.8% suffered severe distress. Female, younger, more educated adults reported higher levels of distress. The distance from Sao P...
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    dcyphr-d by Janet Hsu on 2020-06-18
    IntroductionResearchers have raised the alarm of possible dental risks associated with COVID-19. Other researchers have established that viruses can infect cells in the oral mucosa. The oral mucosa is the membrane lining the mouth. SARS-CoV-2 infects a cell by binding to the ACE2 (angiotensin-converting enzyme II) receptor. MethodsThe authors looked at how much ACE2 lined different human organs. They used the GTEx portal.ResultsThe researchers found that there is a higher concentration of the AC...
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    dcyphr-d by Thanos Maravel on 2020-06-18
    Dear Editor,In February 25th 2020, the first SARS-CoV-2 was confirmed in Barcelona, Spain. Since then, Spain has become the second country worldwide in cases (after the USA) and deaths (after Italy). Madrid and Catalonia where hit the hardest.Many factors can affect coronaviruses' transmission, including the weather, so understanding its effect on COVID-19's transmission is essential, but evidence is lacking. An association with temperature is suggested by a study of the four major Chinese citie...
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    dcyphr-d by Christina Hijiya on 2020-06-18
    AbstractLeptospirosis, a widespread zoonotic disease, is an important health problem in slums. But, there is little understanding of the dynamics of Leptospira transmission in slums. In this study, the researchers sampled water in a Brazilian urban slum to study the dynamics of Leptospira. They collected surface water during dry, intermediate, and rainy seasons and quantified the number of Leptospira in these samples using qPCR. They also identified factors that explained differences in the pre...
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    dcyphr-d by Christina Hijiya on 2020-06-18
    AbstractIt is necessary to understand the protective immunity (how antibodies created against a primary infection respond to secondary infection) of SARS-CoV-2 to develop vaccine and health strategies to end the pandemic. An important question that has not been answered is whether SARS-CoV-2 infection results in protective immunity during a secondary infection. In this study, the researchers developed a rhesus macaque (a kind of monkey) model of SARS-CoV-2 infection. They found that the monkeys ...
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    dcyphr-d by Daniel Amuedo on 2020-06-18
    Abstract Background: COVID-19 has spread around the globe. This study investigates the infectivity of asymptomatic carriers. Materials and methods: 455 contacts who were exposed to the asymptomatic COVID-19 positive virus carrier were the subjects of this study. Results: During quarantine seven members in contact with the asymptomatic individual developed new cardiovascular conditions. However, no SARS-CoV-2 infections were detectable in all 455 contacts by a nucleic acid test. Conclusion: All 4...
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    dcyphr-d by Akaash Saraf on 2020-06-18
    Main:Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the virus that causes COVID-19. This virus, which originated from China, has spread to over 200 countries. Public health interventions in China have stopped the spread of the virus in China. However, the rest of the world is still in their first wave of the COVID-19 epidemic.One study of the virus assessed provinces outside Hubei, the virus’s province of origin. The study found that the non-pharmaceutical health interventions t...
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    dcyphr-d by Janet Hsu on 2020-06-18
    IntroductionThe severe acute respiratory syndrome coronavirus (SARS-CoV-2) is currently causing a pandemic. The 50%% tissue-culture infectious dose [TCID50] is the concentration of the virus needed to kill 50%% of its host cells. MethodsThe authors used a Bayesian regression model to collect data on the decay rates of the SARS viruses. They defined aerosols as particles less than 5 µm in size. They created aerosols using a three-jet Collison nebulizer and a Goldberg drum. The environment cre...
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    dcyphr-d by Janet Hsu on 2020-06-18
    Introduction Other scientists in the field have already put forth several models for the structure of deoxyribose nucleic acid (DNA), but there are errors in their models. Some errors are the lack of hydrogen bonding and the repulsion of the phosphate groups. Aims Watson and Crick propose a model for DNA structure.Methods X-ray crystallography images give clues to the shape of the DNA molecule.ResultsIn the model, DNA consists of two chains coiled in a helix around one axis. The ad...