No molecular evidence of SARS-CoV-2 infection in companion animals from Veracruz, Mexico.

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Active epidemiological surveillance of infectious agents represents a fundamental tool for understanding the transmission dynamics of pathogens and establishing public policies that can reduce or limit their expansion. Epidemiological surveillance […]

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Limited cross-species transmission and absence of mutations associated with SARS-CoV-2 adaptation in cats: A case study of infection in a small household setting.

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In the present study, the course of SARS-CoV-2 natural infection in two asymptomatic cats, which were negative for immunosuppressive retroviral infections, is investigated. The source of the virus for the […]

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Face-touching behavior as a possible correlate of mask-wearing: A video observational study of public place incidents during the COVID-19 pandemic.

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Most countries in the world have recommended or mandated face masks in some or all public places during the COVID-19 pandemic. However, mask use has been thought to increase people’s […]

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Influenza D virus in respiratory disease in Canadian, province of Québec, cattle: relative importance and evidence of new reassortment between different clades.

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Influenza D virus (IDV), a segmented single stranded negative sense ribonucleic acid (RNA) virus belongs to the new Delta influenza virus genus of the Orthomyxoviridae family. Cattle was proposed as […]

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Different dynamics of mean SARS-CoV-2 RT-PCR Ct values between the first and second COVID-19 waves in the Madrid population.

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SARS-CoV2-RT-PCR cycle-threshold values from 18,803 cases (2 March-4 October) in Madrid define three stages: i) initial ten weeks with sustained reduction of viral load (Ct: 23.4-32.3), ii) stability with low-viral […]

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Prospective surveillance study in a 1,400-bed university hospital: COVID-19 exposure at home was the main risk factor for SARS-CoV-2 point seroprevalence among hospital staff.

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The Co-HCW study is a prospective cohort study among hospital staff, including healthcare workers (HCWs) and administration staff, at the Jena University Hospital (JUH), Germany. The objectives of this study […]

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A multi-regional, hierarchical-tier mathematical model of the spread and control of COVID-19 epidemics from epicenter to adjacent regions.

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Epicenters are the focus of COVID-19 research, whereas emerging regions with mainly imported cases due to population movement are often neglected. Classical compartmental models are useful, however, likely oversimplify the […]

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In vitro Characterisation of SARS-CoV-2 and Susceptibility of Domestic Ferrets (Mustela putorius furo).

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Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is an emerging virus that has caused significant human morbidity and mortality since its detection in late 2019. With the rapid emergence has come […]

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Outcomes and prognostic factors in 70 non-survivors and 595 survivors with COVID-19 in Wuhan, China.

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Since first outbreak of coronavirus disease 2019 (COVID-19) occurred in December 2019, more than 51 millions cases had been reported globally. We aimed to identify the risk factors for in-hospital […]

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Experimental challenge of a North American bat species, big brown bat (Eptesicus fuscus), with SARS-CoV-2.

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The recently emerged novel coronavirus, SARS-CoV-2, is phylogenetically related to bat coronaviruses (CoVs), specifically SARS-related CoVs from the Eurasian bat family Rhinolophidae. As this human pandemic virus has spread across […]

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