The Portuguese federation of blood donors is appealing for people to come forwards and give blood ‘urgently’. Four blood groups are at ‘critical levels: B-, A+, O+ and O-. Most healthy adults can give blood, but authorities in Portugal still refuse the blood of people who were in the UK during the late 80s, due to outbreak at the time of ‘mad cow disease’.
Blood donation appeal: four blood groups “at critical levels”
The hand of a blood donor squeezing a medical rubber ball
