2. They ignore the science by not recognizing that the vaccinated also transmit Covid.
3. They are unjust because they do not recognize some people declined the second Covid shot after a bad reaction to the first and are therefore considered unvaccinated.
2) This point makes no sense. Yes, of course they can, but at hugely reduced rates. Something not being perfect doesn't mean it isn't valuable or necessary. Seatbelts are not perfect, but they are mandatory because they save lives.
3) If someone has a medical issue with the vaccine, they are exempt from every mandate I have ever seen. If that is not the case, then change the mandate. It's not an inherent issue with the concept. They are the very people who most need mandates, as the people who cannot have it themselves need as many others to be vaccinated as possible.
https://www.quebec.ca/en/health/health-issues/a-z/2019-coron...
"you received a first dose of a COVID-19 vaccine (Pfizer, Moderna, AstraZeneca, or Covishield) at least 21 days after contracting COVID-19 (confirmed by a nucleic acid amplification test) and it has been at least 7 days since you received this dose;"
2. The jury is still arguing this one, but another aspect is that the more people who gets vaccinated, the lesser they risk going into the ICU and overloading the healthcare system.
3. There's a reason why they ask you to stay after getting the vaccine, to take you in charge of a medical emergency in case of an adverse reaction. That applies with any other vaccine, and if the first reaction is severe enough (according to a professional), they'll receive a proper exemption.