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The lung-cell type that's most susceptible to infection by SARS-CoV-2, the virus that causes COVID-19, is not the one previously assumed to be most vulnerable.
Plus: More travelers are seeking the comfort of private flying
Health experts have considerable uncertainty about how the pandemic will evolve, but at...
E-Mail COVID-19 antibodies preferentially target a different part of the virus in mild cases of COVID-19 than they do in severe cases, and wane significantly within several months of infection, according to a new study by researchers at Stanford Medicine. The findings identify new links between the course of the disease and a patient's immune response. They also raise concerns about whether people can be re-infected, whether antibody tests to detect prior infection may underestimate the breadth of the pandemic and whether vaccinations may need to be repeated at regular intervals to maintai...