According to reports obtained on WHO and NCDC websites as of 12th July 2020, the coronavirus breakout in Wuhan, a city in Hubei Province of China in November 2019 as spread to more than 200 countries in the world. In particular, the acquisition of 1)Mutations in the receptor-binding area, 2) A polybasic furin cleavage site (RRRAR)at the junction of subdomain 1 and 2 of the spike protein and 3) A site of O-linked glycosylation in the same area, have enabled the virus to efficiently interact with high affinity( via its spike protein) with its bona fide cellular receptor (angiotensin-converting enzyme 2[ACE-2]), to become more virulent and pathogenic, while potentially evading immune responses through O-glycan epitope maskimg3. Prevention: The prevention and management are very important issues to control COVID-19. [...]there is a great need for the collective efforts of the public and the government. Immunity: The immune system refers to a collection of cells and proteins that function to protect the skin, respiratory passages, intestinal tract and other areas from foreign antigens, such as microbes (organisms such as bacteria, fungi, and parasites), viruses, cancer cells, and toxins.
A Role of Herbal Drug as an Immunity Booster during Covid-19 Pandemic