A nasally delivered chimpanzee adenoviral-vectored severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) vaccine (ChAd-SARS-CoV-2-S) is currently used in India …

SARS-CoV-2-specific T cell response has been proven essential for viral clearance, COVID-
19 outcome and long-term memory. Impaired early T cell-driven immunity leads to a severe …

Updated immunization strategies are needed to address multiple severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) variants. Here we report interim results from an …

SARS-CoV-2 vaccination significantly reduces morbidity and mortality, but has less impact
on viral transmission rates, thus aiding viral evolution, and the longevity of vaccine-induced …

Bivalent SARS-CoV-2 Booster in Hemodialysis Patients In a group of patients undergoing
hemodialysis who had received four previous inoculations of SARS-CoV-2 vaccines, a fifth …

The safety and immunogenicity of a protein-based tetravalent vaccine SCTV01E that
contains spike protein ectodomain (S-ECD) of Alpha, Beta, Delta and Omicron BA. 1 are …

Since emergence of the initial SARS-CoV-2 BA. 1, BA. 2 and BA. 5 variants, Omicron has
diversified substantially. Antigenic characterization of these new variants is important to …

Although the development and clinical application of SARS-CoV-2 vaccines during the
COVID-19 pandemic demonstrated unprecedented vaccine success in a short time frame, it …

Background The SARS-CoV-2 non-Spike (S) structural protein targets on nucleocapsid (N),
membrane (M) and envelope (E), critical in the host cell interferon response and memory T …

Background COVID-19 vaccines that offer broad-spectrum protection are needed. We aimed
to evaluate the safety and immunogenicity of multivalent vaccines, SCTV01E and SCTV01C …