St. John's Wort P.E. is a brown-yellow fine powder that has a strong anti-viral effect and an ability of killing the H5N1 and H9N2 subtype of avian influenza virus.
St kaJohane wort PE . kuyinto powder brown-yellow esihle ukuthi inomphumela eqinile anti-viral kanye nekhono kokuhlatshwa kwamaphasika abo H5N1 futhi H9N2 subtype ka wezinyoni umkhuhlane virus.