That’s why everyone needs to get a booster shot to receive optimal protection, according to CDC.
Currently in the UK, everyone aged over 18 who had their second dose at least three months ago is eligible for a booster top-up.
What are the symptoms of Covid?
The main three symptoms of the coronavirus infection are high temperature, new, continuous cough and loss or change to taste and smell.
However, the rise in Omicron cases has also brought new data detailing different symptoms linked to the new strain.