What makes this all so complicated is that there could very well be both many people whose problems are primarily biological, and others who are experiencing so

What makes this all so complicated is that there could very well be both many people whose problems are primarily biological, and others who are experiencing some kind of psychosomatic issue. There’s a ton of variation in people. COVID effects different people in such different ways, there is no simple definitive answer to this that we will be able to apply to every individual.