COVID-19 in World

4,243 deaths, 534,869 cases were reported in last 7 days, according to data provided by WHO on Mar 29. 6,887,000 people have died till now. United States has the highest number of deaths, followed by Brazil, India, Russia and Mexico.

Vaccination in World

A significant proportion of population is unvaccinated in countries of Africa and Middle-east. In Africa, countries such as Burundi, Democratic Republic of the Congo, Madagascar, Cameroon, Mali and Burkina Faso have vaccinated less than 10 percent of population.

COVID-19 Pandemic Development

Variants are formed when a virus undergoes genetic mutations, changes in the arrangement of nucleotides (building blocks of genetic material). These mutations cause a change in gene expression. This may…

COVID- 19 Vaccination

It is immunization brought about in an individual by infection so that antibodies are produced against the weakened infective agent. Edward Jenner introduced vaccination in 1796 using cowpox to protect…