US pharmaceutical giant Pfizer and German firm BioNTech lost Friday a court appeal in the latest step of a multi-million-pound battle against US rival Moderna over the Covid-19 vaccine.

The incidence of heart attacks and strokes was lower after COVID-19 vaccination than before or without vaccination, according to a new study involving nearly the whole adult population of England.

A team from the Max-Planck-Institut für Kohlenforschung, Hokkaido University, and Osaka University has discovered that subtle ...