The researchers discovered that in cells pretreated with Sambucus nigra combined with treatment of the cells post-infection had a synergistic effect of reducing viral titers in the cells three orders of magnitude. This was much more effective than treating once the infection had occurred.
It is becoming clear that the majority of people who contract COVID-19 do not progress to a severe respiratory condition. However, for those who are healthy and will survive this there are almost as many people who will struggle and may even develop severe and critical complications. We must do everything we can not only to protect ourselves but more importantly to protect others who may not do as well with COVID-19.