The symptoms remain untestable and therefore can be mixed with a host of other issues and diseases that are untestable. They will not be able to differentiate

The symptoms remain untestable and therefore can be mixed with a host of other issues and diseases that are untestable. They will not be able to differentiate between a person with long covid, a person with long covid plus another untestable similar disease, or a person with an untestable similar disease for a long time, if ever.