Researchers at the University of Hong Kong reveal that a timely third vaccination of either CoronaVac or BNT162b2 is critical to induce virus-specific...Read more

Background The ongoing outbreak of SARS-CoV-2 Omicron BA.2 infections in Hong Kong, the model city of universal masking of the world, has resulted in ...Read more

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection results in rapid T lymphocytopenia and functional impairment of T cells. The un...Read more

Background Nearly 4 billion doses of the BNT162b2-mRNA and CoronaVac-inactivated vaccines have been administrated globally, yet different vaccine-ind...Read more

Mutations in SARS-CoV-2 variants of concern (VOCs) have enhanced transmissibility and immune evasion with respect to current vaccines and neutralizing...Read more

Background Vaccines in emergency use are efficacious against COVID-19, yet vaccine-induced prevention against nasal SARS-CoV-2 infection remains subo...Read more

An intranasal COVID-19 vaccine, DelNS1-based RBD vaccines composed of H1N1 subtype (DelNS1-nCoV-RBD LAIV) was developed to evaluate the safety and imm...Read more

Researchers at HKUMed have conducted a study to identify an effective vaccine regimen to prevent SARS-CoV-2 nasal infection. The study found that a co...Read more

Researchers at the University of Hong Kongs AIDS Institute and the State Key Laboratory of Emerging Infectious Diseases conducted a study on immune re...Read more

The SARS-CoV-2 pandemic has resulted in millions of infections, yet the role of host immune responses in early COVID-19 pathogenesis remains unclear. ...Read more