Antibodies are one of the most important components of the immune system against infections So far, little is known about the contribution of antibodies in the protection against the virus SARS-CoV-2 which cause of the actual pandemic disease COVID-19 Measuring antibody levels in the population will allow to determine the who was infected despite being asymptomatic, this could also be useful to know if people with certain levels of antibodies are already protected against the disease
Antibodies and protection against COVID-19