Health News

Novel polyclonal antibody XAV-19 efficiently neutralizes UK and South African SARS-CoV-2 variants

A promising new study, released as a preprint on the bioRxiv* server, reports on the high neutralizing efficacy of a polyclonal swine antibody against the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the pathogen responsible for the novel coronavirus disease 2019 (COVID-19). By demonstrating the ability of this antibody to neutralize all currently circulating viral […]

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Glycans influence SARS-CoV-2 spike–ACE2 binding affinity, finds study

A study conducted at the Los Alamos National Laboratory, USA, and Concordia University, Canada, has explored the impact of different types of glycans on the interaction between severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein and human angiotensin-converting enzyme 2 (ACE2) receptor. The findings reveal that although the spike – ACE2 interaction is not […]

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Researchers offer large-scale screening of potential broad-spectrum SARS-CoV-2 antivirals

The search for effective and safe antivirals against the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pathogen responsible for the current coronavirus disease 2019 (COVID-19) pandemic assumes new urgency in the face of more virulent and transmissible variants. Apart from the development of new drugs, the repurposing of already approved drugs has been a promising […]

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Arizona County Keeps Mask Mandate in Defiance of Governor

Editor’s note: Find the latest COVID-19 news and guidance in Medscape’s Coronavirus Resource Center. Pima County officials said Tuesday they will continue to enforce a mask mandate to contain the spread of COVID-19, joining a group of local leaders defying Arizona Gov. Doug Ducey’s order banning government requirements for face coverings. Officials in Arizona’s second-largest […]