Brief Answer:
You should avoid exertion.
Detailed Answer:
Hi,
Thank you for your query.
1. It is not advisable to exert yourself during a sore throat.
2. The risk of the virus spreading and the risk of cardiomyopathy is not worth the risk as there is no specific treatment.
3. Rest and adequate hydration are essential for a speedy recovery. Get your throat examined and let your doctor decide any further medication.
I hope that I have answered your query. If you have any more questions I will be available to answer them.
Regards.