@AnthonyJK It could very well be changes season stuff, it is a very common opera singer thing
I would reiterate the suggestions of a hot beverage, hot bath/shower and suggest keeping water hot and available all day and sip it with nothing in it
If finances become less tight, investing in ponaris is great for prophylaxis as well as recovery because sore throat can be drip
Also if you have easy access to COVID tests, it's worth checking because the recent strain is supposedly very mild 🙏