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Researchers analyzed Facebook-based mobility data and found that travelers from UK may have spread the new SARS-CoV-2 strain that originated in the UK to at least 16 countries by the beginning of December 2020.
Researchers develop saliva testing method for SARS-CoV-2 using robotic RNA extraction Researchers have developed an automated method of RNA extraction from saliva samples to allow faster processing times and high test sensitivity. Saliva testing could be used as an alternative to swab testing for coronavirus disease 2019 (COVID-19) surveillance. Overview of nucleic acid extraction from saliva specimens — a , Overview of Innovative Genomics Institute’s (IGI’s) specimen processing pipeline for both swab and saliva samples. OP = oropharyngeal. OP-MT = oropharyngeal-mid turbinate. b , Cultu...
A recent study has found that extracellular vimentin can bind to SARS-CoV-2 spike protein in vitro, and antibodies against vimentin can decrease virus infectivity by up to 80%. This suggests vimentin could aid the virus’s binding to host cells and help in infection.
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Researchers studied convalescent plasma from recovered coronavirus disease 2019 (COVID-19) patients, with samples collected up to 34 weeks after recovery. They found IgG antibodies gradually declined with a median half-life of about 60 days.
SARS-CoV-2 viral load in saliva may be linked to COVID-19 disease severity Researchers at Yale University and other major institutions found that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) viral loads in saliva are higher for patients with associated risk factors and underlying conditions that lead to severe coronavirus disease 2019 (COVID-19) and death. Thus, saliva viral loads could be used to predict disease severity. The symptoms and severity of COVID-19, the disease caused by the SARS-CoV-2, differ widely among patients. Some patients are asymptomatic, while in others, ...