Mr Alston's doctor has died from coronavirus and he fears catching it himself.
While limited flights back to Australia, via a third country, have restarted, Ms Alston's Filipino passport has now expired.
She is a permanent resident of Australia, but not yet a citizen.
Mr Alston claimed the wait for the new Filipino passport is many months and he cannot get her an appointment.
He said won't leave her there alone and if he returns to Australia, he won't be allowed out again due to the travel ban.
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Mr Alston said he wouldn't leave without his wife, whose passport has expired.(Nine)