People given Janssen Covid-19 vaccine should be able to 'skip the queue' for booster jabs

Vials of the Janssen single-dose Covid-19 vaccine. File Picture: PA

People who received the one-dose Janssen Covid-19 vaccine should be able to receive their booster jab immediately, regardless of their age. 

Immunology expert Professor Christine Loscher said that the Janssen vaccine had now waned down to roughly 20% protection against symptomatic Covid infection.