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1.
Eur J Clin Microbiol Infect Dis ; 39(11): 2005-2011, 2020 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-32638221

RESUMO

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the etiologic agent for the 2019 coronavirus disease (COVID-19) pandemic, has caused a public health emergency. The need for additional research in viral pathogenesis is essential as the number of cases and deaths rise. Understanding the virus and its ability to cause disease has been the main focus of current literature; however, there is much unknown. Studies have revealed new findings related to the full transmission potential of SARS-CoV-2 and its subsequent ability to cause infection by different means. The virus is hypothesized to be of increased virulence compared with previous coronavirus that caused epidemics, in part due to its overall structural integrity and resilience to inactivation. To date, many studies have discussed that the rationale behind its transmission potential is that viral RNA has unexpectedly been detected in multiple bodily fluids, with some samples having remained positive for extended periods of time. Additionally, the receptor by which the virus gains cellular entry, ACE2, has been found to be expressed in different human body systems, thereby potentiating its infection in those locations. In this evidence-based comprehensive review, we discuss various potential routes of transmission of SARS-CoV-2-respiratory/droplet, indirect, fecal-oral, vertical, sexual, and ocular. Understanding these different routes is important as they pertain to clinical practice, especially in taking preventative measures to mitigate the spread of SARS-CoV-2.


Assuntos
Betacoronavirus/patogenicidade , Infecções por Coronavirus/transmissão , Infecções por Coronavirus/virologia , Pneumonia Viral/transmissão , Pneumonia Viral/virologia , Aerossóis , COVID-19 , Túnica Conjuntiva/virologia , Infecções por Coronavirus/epidemiologia , Infecções por Coronavirus/prevenção & controle , Fezes/virologia , Humanos , Transmissão Vertical de Doenças Infecciosas , Boca/virologia , Pandemias/prevenção & controle , Pneumonia Viral/epidemiologia , Pneumonia Viral/prevenção & controle , Sistema Respiratório/virologia , SARS-CoV-2 , Sêmen/virologia , Eliminação de Partículas Virais
2.
J Clin Virol ; 128: 104386, 2020 07.
Artigo em Inglês | MEDLINE | ID: mdl-32388469

RESUMO

There is an increasing number of confirmed cases and deaths caused by the Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) contributing to the Coronavirus disease 2019 (COVID-19) pandemic. At this point, the need for further disease characterization is critical. COVID-19 is well established as a respiratory tract pathogen; however, recent studies have shown an increasing number of patients reporting gastrointestinal manifestations such as diarrhea, nausea, vomiting, and abdominal pain. The time from onset of gastrointestinal symptoms to hospital presentation is often delayed compared to that of respiratory symptoms. It has been noted that SARS-CoV-2 RNA can be detected in fecal matter for an extended period of time, even after respiratory samples have tested negative and patients are asymptomatic. In this article, SARS-CoV-2 and its disease COVID-19 will be reviewed with consideration of the latest literature about gastrointestinal symptomatology, the mechanisms by which the virus may inflict damage, and the possibility of viral replication contributing to a fecal-oral route of transmission.


Assuntos
Betacoronavirus/fisiologia , Infecções por Coronavirus/epidemiologia , Diarreia/virologia , Doenças do Sistema Digestório/epidemiologia , Pandemias , Pneumonia Viral/epidemiologia , Betacoronavirus/genética , Betacoronavirus/isolamento & purificação , COVID-19 , Infecções por Coronavirus/prevenção & controle , Infecções por Coronavirus/transmissão , Infecções por Coronavirus/virologia , Doenças do Sistema Digestório/prevenção & controle , Doenças do Sistema Digestório/virologia , Fezes/virologia , Trato Gastrointestinal/virologia , Humanos , Fígado/virologia , Oxigênio/administração & dosagem , Pâncreas/virologia , Pandemias/prevenção & controle , Pneumonia Viral/prevenção & controle , Pneumonia Viral/transmissão , Pneumonia Viral/virologia , Respiração Artificial , SARS-CoV-2 , Replicação Viral , Vômito/virologia
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