Chief physician and professor Pål Andre Holme and his team at the Oslo University Hospital were among the first in the world to establish that a rare blood clotting disease which claimed four lives in Norway was due to the AstraZeneca vaccine.
(Photo: Terje Pedersen / NTB)
Most read 2021: the AstraZeneca Covid vaccine, celiac disease and alpha wolves
These are the 2021-articles that you read the most in the year gone by.