King of bitters scientific name Andrographis paniculata Burm, Wall. Ex Nees, Fah Talai jhon, Thai herbs relieve sore throat, reduce fever, heat up the cold green leaves vegetable nature protect coronavirus, covid-19

green, nature, spring, fresh, outdoor, garden, growth, herbal, leaf, plant, leaves, flora, health, natural, tree, botany, medical, vegetable, foliage, tropical, pill, agriculture, traditional, organic, disease, protect, bush, alternative, ill, virus, antibiotic, medication, pharmaceutical, thailand, anti, prevention, bacteria, cough, biennial, echinacea, inflammation, axillary, Acanthaceae, paniculate, purulent, coronavirus, andrographis, king of bitters, covid 19, andrographis paniculate,