Something is going around — perhaps in many cases a mild case of omicron — that is leaving people with isolated sore throats, and sore throat seems to be sticking out as a COVID symptom this time around as well. I had a version of this, and many around me have as well. So, here's the top three things to do.
I find that a sore throat is a symptom of endotoxin load. It accompanies "flu like" symptoms such as malaise, pain in the bones, and tiredness. It is often NOT any infectious disease.
I find that pau d'arco in high doses helps, and so doe elderberry extract.