parasite tests are largely defective in that rarely are they detected for several reasons.
Humaworm is not going to be very effective in protozoa situations.
ID doctors rarely suspect parasites and the tests are largely inaccurate. The only thing they have left is blaming the patient having psychological issues.
Naturopaths in general terms are not well versed in treating parasite infections.
Sorry to be negative but this information comes from years of collecting data from a diverse population and many hours of research.
Protozoa require specific tests with trusted labs - and they require specific treatment strategies. They are quite tenacious depending on the species.