April 23, 2022
COVID-19 Mortality and Vaccine Coverage — Hong Kong Special Administrative Region | Hospitalizations of Children Aged 5–11 Years with confirmed COVID | SARS-CoV-2 co-infection with influenza viruses, respiratory syncytial virus, or adenoviruses | Pfizer and BioNTech Announce Data Demonstrating High Immune Response Following a Booster Dose of their COVID-19 Vaccine in Children | Safety, Immunogenicity and Antibody Persistence of a Bivalent Beta-Containing Booster Vaccine | Low-dose bivalent mRNA vaccine is highly effective against different SARS-CoV-2 variants in a transgenic mouse model | Intramuscular AZD7442 for Prevention of Covid-19