The severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) pandemic has led to
an unprecedented public health crisis. The collective global response has led to production …

Background Due to anti-SARS-CoV-2 antibody decay and SARS-CoV-2 variants, vaccine
booster doses are a constant concern. It was focused on whether the third dose can quickly …

Data on the safety and immunity of a heterologous booster (fourth dose) after three-doses of
inactivated SARS-CoV-2 vaccine in Chinese adults are limited. We evaluate the safety and …

Abstract Objective EuCorVac-19 (ECV-19), an adjuvanted liposome-displayed receptor
binding domain (RBD) COVID-19 vaccine, previously reported interim Phase 2 trial results …

We studied 2780 adults in Hong Kong who received CoronaVac inactivated virus vaccine
(Sinovac) and BNT162b2 mRNA vaccine (“Comirnaty”, BioNTech/Fosun Pharma). We …

The durability of antibody responses induced by the three-dose of CoronaVac vaccination,
especially against SARS-CoV-2 Omicron subvariants, remains unclear. Here in our study …

Background Cancer patients have an increased risk of a severe COVID-19 infection with
higher mortality rate. This study aimed to analyze the levels of anti-SARS-CoV-2 S-RBD IgG …

To prevent the COVID-19 pandemic that threatens human health, vaccination has become a
useful and necessary tool in the response to the pandemic. The vaccine not only induces …

Comparisons among the different vaccines against SARS-CoV-2 are important to
understand which type of vaccine provides more protection. This study aimed to evaluate the …

Objective To analyze the positivity and levels of SARS-CoV-2 antibodies in vaccinated
children to evaluate the humoral immune response of vaccination on pediatric population …