It is speculated that such antibodies could last for as much as six months, if not longer.
The study analyzed more than 300 blood samples before the recent coronavirus pandemic began to spread across the globe.
Researchers at the University College London found that children less than 14 years old are significantly less likely to be infected with COVID-19.
The study involved more than 1,500 adult participants affiliated with the online-based RAND American Life Panel.
The findings released by Pew Research Center involved 13 nations, including Australia, Canada, Japan, and the United Kingdom.
The new research, published in the journal Sustainability, aimed at identifying vital predictors of resilience against COVID-19.
Researchers at the University of Surrey probed the effects of psychosocial support for cancer patients during the recent coronavirus pandemic.
The study was conducted by the University of Leeds.
The survey was conducted by Pew Research Center.
Researchers at the University of Georgia and the University of Colorado are keen on generalizing people of color and minority groups in future COVID-19 research.