"Couldn't we transfer the symbiont briefly into a series of different human hosts?"

The show has a different host on each day of the week, as follows (it almost change every season):

"Having a different host every week is part of it."

There has been a different host for each edition.

All three stages target different hosts, the eggs are laid on the ground.

Several generations may be produced in a year, often on different hosts.

He also was fired from his television show (which for a time continued with a different host).

Later this has been changed and now there is different host for each of the two parts.

The symptoms are fairly similar throughout each of the different hosts.

The adult females feed on a variety of different hosts.