Clot questions over J&J and AstraZeneca vaccines
The European Medicines Agency (EMA) says blood clots should be listed as a "very rare" side effect of the Johnson & Johnson COVID vaccine. What we know about the jab and similar AstraZeneca shot:
What you need to know about the J&J vaccine
Johnson & Johnson's single-shot Covid-19 vaccine has been approved for use by the EU's medicines regulator, the fourth jab to get the green light for the 27-nation bloc