The current ‘Plan A’ for managing Covid-19 over the winter relies on a booster vaccination campaign, with all over 50s, those in care homes and frontline health and social care workers all to be offered a third dose.
It is hoped that the booster jabs will ensure the most vulnerable have maximum protection against coronavirus in the colder months when seasonal viruses are more rife.
Covid-19 is caused by a strain of coronavirus which had not been seen in humans before, whereas flu is caused by influenza viruses that affect the nose, throat, and lungs.
These viruses spread when people with flu cough, sneeze or talk, sending infected droplets into the air which can then infect others, in the same way Covid-19 is spread.
Flu will often come on very quickly and will usually get better on its own after plenty of rest.
Here are all the key symptoms of flu to be aware of and how they differ from Covid-19.