will you be forced to do this flying
No! Initially that could be achieved through judicious use of the medical profession, after a few years of ULH and back of clock 2 crew work I would suggest almost everyone who hasn’t wangled their way into an office/training position (NS might know a thing or two!) will be on extremely good terms with numerous medical professions.
Bat flu is a different and nasty thing for travel and hospitality the world over. Unavoidable, unpredictable and quite disturbing. My sympathy on that front distributes to everyone involved for different reasons.