short video explaining assignment expectations around Covid-19 Immunity article
This video explains about different types of Vitamin-D, and its beneficial effects on our body and immune system. 1:45 – Conversion of vitamin-D2 and D3 to Active form 3:38 – Overview of the video 4:10 – Benefits of Vitamin-D 4:16…
Coronavirus disease is a new virus that has never infected humans before. Humans have no immunity against it, so the virus spreads quickly. Herd immunity occurs when at least 70%-90% of a population have been infected and developed natural immunity…