Other public health scientists and experts have also added nausea to the list.
The problem with this list of symptoms is that, unlike early variants of the virus that caused distinctive red flags such as of loss of taste and smell, these symptoms of very similar to the common cold.
However, King’s College London Professor Tim Spector, who ran the ZOE Covid Symptom study said around half of new colds were probably Covid-19.
As well as these nine symptoms of the Omicron variant, there may be two early warning signs that a person has the variant.