As of 31st July, a new variant called Eris was classified. Eris is a strain of Omicron.
According to the ZOE Health Study, the five most common symptoms of Omicron are:
Runny nose
Headache
Fatigue (mild or severe)
Sneezing
Sore throat
A Covid-19 booster will be offered this autumn. You can read about it here.