Novel coronavirus disease-19 (COVID-19) is the deadliest form of
coronavirus, which has caused pandemics across the world. According to a recent
survey of the World Health Organization (WHO), by August 8, 2020, shows around
19187943 cases and 716075 deaths from this virus globally. In addition to the shortage
of effective drugs and vaccines, the outbreak of COVID-19 triggered by severe acute
respiratory syndrome-coronavirus-2 (SARS-CoV-2) prompted the medical community
to scramble for new antiviral formulations. Mankind utilizes the plants' origin
medicines from ancient to treat and cure various diseases. They are the best possible
tools to tackle the disease as they have the lowest possible side effects compared to
other forms of drugs available and in use to treat the diseases. Several phytochemicals
extracted from plants could provide a baseline for research into plant extracts in
treating and preventing coronavirus. The present chapter aims to summarize
phytochemicals' effectiveness against COVID-19.
Keywords: Antiviral, COVID-19, Inhibition mechanism, Phytochemicals,
Phytoextracts activity.
