Two common wild plants contain extracts that inhibit the ability of the virus that causes Covid-19 to infect living cells, a US study has discovered.In laboratory dish tests, extracts from the flowers of tall goldenrod (Solidago altissima) and .
In laboratory dish tests, extracts from the flowers of tall goldenrod (Solidago altissima) and the rhizomes of the eagle fern (Pteridium aquilinum) each blocked SARS-CoV-2 from entering human cells.The