Scientists to study effectiveness of AstraZeneca vaccine as a nasal spray

Thirty healthy Oxford-based volunteers aged 18-40 will receive the vaccine through an intranasal spray device (Yui Mok/PA)

Scientists are to look into the effectiveness of the Oxford/AstraZeneca vaccine when delivered using a nasal spray.

The University of Oxford will examine the level of immune system responses generated by the vaccine using this delivery technique, as well as monitoring safety and for any adverse reactions.