People who have existing medical conditions also may have a higher risk of serious illness.
According to , this sudden rise in temperature may be your immune system cranking up in an attempt to continue killing off the virus.
But omicron appears to cause less severe disease.
According to a , some coronavirus patients suffered from enanthem, a skin rash that looks like small white spots on the mucous membranes.
You may also have a widespread rash with tiny lumps or blisters that can be itchy or scaly.
This can often be a result of upper respiratory infections and can cause hoarseness or speaking problems, shortness of breath or swallowing issues.