SARS-CoV-2 viral load and detection of infectious virus in the respiratory tract are the two
key parameters for estimating infectiousness. As shedding of infectious virus is required for …

Since the outbreak of the coronavirus disease 2019 (COVID-19) pandemic, there have been
a few variants of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), one of …

Immunological memory is the basis of protective immunity provided by vaccines and
previous infections. Immunological memory can develop from multiple branches of the …

RNA vaccines are efficient preventive measures to combat the severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) pandemic. High levels of neutralizing SARS-CoV-2 …

Neutralizing antibodies can block infection, clear pathogens, and are essential to provide
long-term immunity. Since the onset of the pandemic, SARS-CoV-2 neutralizing antibodies …

Virus-like particle (VLP) and live virus assays were used to investigate neutralizing immunity
against Delta and Omicron SARS-CoV-2 variants in 259 samples from 128 vaccinated …

Since autumn 2020, rapid antigen tests (RATs) have been implemented in several countries
as an important pillar of the national testing strategy to rapidly screen for infections on site …

Different scenarios explaining the emergence of novel variants of concern (VOC) of the
severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have been reported …

The persistent COVID-19 pandemic since 2020 has brought an enormous public health
burden to the global society and is accompanied by various evolution of the virus genome …

SARS-CoV-2 neutralizing antibodies play a critical role in COVID-19 prevention and
treatment but are challenged by viral evolution and the emergence of novel escape variants …