US researchers say COVID-19 is likely to be more severe and more deadly than flu or respiratory syncytial virus (RSV). Analysing the data, they found COVID-19 was linked with more severe disease outcomes, including long-term mortality, compared with flu or RSV.
US researchers say COVID-19 is likely to be more severe and more deadly than flu or respiratory syncytial virus (RSV). Analysing the data, they found COVID-19 was linked with more severe disease outcomes, including long-term mortality, compared with flu or RSV.