Iran Press/ America: Premier Francois Legault told reporters at a briefing on Tuesday that the proposal, the details of which were still being finalised, would not apply to those who could not get vaccinated for medical reasons, Reuters reported.
Legault said unvaccinated people put a financial burden on others and the provincial finance ministry was determining a "significant" amount that unvaccinated residents would be required to pay, adding that such an amount would not be less than $C100 ($110).
Governments globally have imposed movement restrictions on the unvaccinated, but a sweeping tax on all unvaccinated adults could be a rare and controversial move.
McGill University medicine and health sciences Professor Carolyn Ells said whether the levy survived a court challenge would depend on the details.
But Ells expressed surprise that the government was taking such a "dramatic" step now, when options such as further expanding vaccine mandates remained.
Provinces across Canada are tackling an exponential rise in COVID-19 cases that has forced tens of thousands of people into isolation and burdened the healthcare sector.
The highly transmissible Omicron variant has made it difficult for restrictive measures to curb the spread, and health experts have stressed the importance of getting double and tripled vaccinated.
Quebec has been one of the worst-hit Canadian provinces, regularly recording the highest daily count of coronavirus cases of all provinces and having several thousand healthcare workers off their jobs.
Legault said that even though about 10 per cent of the province's population was unvaccinated, those people accounted for about 50 per cent of patients in intensive care units.
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