Before the appearance of the milder variant, the main symptoms of Covid were considered to be cough, fever and loss or change to taste and smell.
However, thanks to doctors and patients, new symptoms have been brought to light, becoming characteristic for Omicron.
The NHS also included symptoms like diarrhoea and loss of appetite to its revised symptom list in April.
While tummy signs could ring the alarm bells, there’s also a variety of other Covid symptoms that could give the infection away.
This story originally Appeared on Express.co.uk