Moderna said on Wednesday that an updated version of its COVID-19 vaccine designed to target the Omicron variant also generated a strong immune response...
Antibodies triggered by a third dose of Sinopharm's COVID-19 shot given to those who completed its primary two-dose regimen dropped sharply after six months,...
Booster jabs are still providing high levels of protection for older people against severe disease from the Omicron coronavirus variant and there is no...
The World Health Organization called Wednesday for countries to avoid giving out extra Covid jabs until year-end, pointing to the millions worldwide who have...
BEIJING: Antibodies triggered by Sinovac Biotech's Covid-19 vaccine decline below a key threshold from around six months after a second dose for most recipients,...