Is sore throat common after first Covid vaccine shot?

MIL got her first dose on Tuesday. It is now Sunday and she’s been complaining of a sore throat along with headache and tiredness. It’s been 5 days. Is it common to have a sore throat for days after vaccine? Is it a cold or maybe Covid?? Reason why I ask is because I have a infant at home and she likes coming over on weekends to visit but I wouldn’t feel comfortable her coming over if she could possibly have Covid