Corona COVID 19
A brief note on Corona COVID 19 Pandemic – Dr. Nawa Raj Subba Silver circles are beginning to appear in the black clouds of the Corona epidemic around the world. Corona Covid 19 Epidemic prevention vaccine development is starting to shine a ray of hope. Leaders in the West are optimistic about the results of a recent test by US company Pfizer and German company BioNtech. Although Russia has previously claimed to have developed the vaccine, the scientific community has…