Is a COVID-19 vaccine developed by nature already at work?

NK Sharma, SC Sarode, G Sarode, S Patil - Medical Hypotheses, 2020 - Elsevier
The COVID-19 positive cases are increasing at an alarming rate across the world. On the
contrary, the morbidity and mortality are showing decreasing trend as time progresses. The
most intriguing part is the rise in asymptomatic Severe Acute Respiratory Syndrome Corona
Virus 2 (SARS-CoV-2) positive cases in the population, which made us speculate some kind
of gradual development of immunity in the population. To date, no attention has been given
to the accumulation of killed/inactivated/degenerated SARS-CoV-2 associated molecular …