People have started catching a new Covid variant that could soon take off and become the dominant type, according to scientists.
Identified in Germany, in June, cases of the XEC variant have since emerged in the UK, US, Denmark and several other countries, say users on X, formerly known as Twitter.
It has some new mutations that might help it spread this autumn, although vaccines should still help prevent severe cases, experts say.
Not the person you replied to but I got my combo shot 2 weeks ago and my arm was just sore for 2-3 days. I had a very slight (barely noticeable) fever a couple of hours after the shot but it was gone the next day.