Sounds a wise move, particularly if planning to visit Moscow, and St Petersburg where cases are highest and there are currently restrictions on many cultural activities. I am only travelling to Russia myself as I have a young family from a region which thankfully has been less affected by Covid so far. I was going to say that it is unlikely that many foreign visitors would choose to visit such a region but in your case who knows, as it is the birth place of a certain Pyotr Ilyich Tchaikovsky...