BACKGROUND Serological assays are of critical importance to investigate correlates of
response and protection in coronavirus disease 2019 (COVID-19), to define previous …

SARS‐CoV‐2 has emerged as a human pathogen, causing clinical signs, from fever to
pneumonia—COVID‐19—but may remain mild or asymptomatic. To understand the …

SARS-CoV-2 is responsible for the coronavirus disease 2019 (COVID-19) pandemic,
infecting millions of people and causing hundreds of thousands of deaths. The Spike …

Objective The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic
challenges national health systems and the global economy. Monitoring of infection rates …

Background The involvement of SARS-CoV-2 antibodies in mediating immunopathogenetic
events in COVID-19 patients has been suggested. By using several experimental …

SARS-CoV-2-specific antibodies, particularly those preventing viral spike receptor binding
domain (RBD) interaction with host angiotensin-converting enzyme 2 (ACE2) receptor, can …

Background Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection can
be detected indirectly by measuring the host immune response. For some viruses, antibody …

Durability of SARS-CoV-2 Spike antibody responses after infection provides information
relevant to understanding protection against COVID-19 in humans. We report the results of a …

There is an urgent need for effective treatment and preventive vaccine to contain this
devastating global pandemic, which requires a comprehensive understanding of humoral …

We measured plasma and/or serum antibody responses to the receptor-binding domain
(RBD) of the spike (S) protein of SARS-CoV-2 in 343 North American patients infected with …