If pandemic history were to repeat, Covid-19 would disappear when between 60 to 70 percent of the population were either vaccinated or has developed virus antibodies due to exposure.

Herd immunity to common forms of influenza does not happen because the virus mutates faster than 60 to 70% of the population can develop antibodies. Medical experts fear the Covid-19 may be manifesting mutation rates which are too fast for 60 to 70% immunity to be…