How did we get from "the vaccinated receiving special privileges' in the article OP referenced, to your statement about being "denied food, shelter, and medical treatment"? I thought we were talking about not getting into gyms, restaurants, and so forth, without proof of vaccination.

people with HIV/AIDs, especially those who engage in unprotected sex

I believe they go to jail, where food and medical care are available.

"A number of offences have been applied in HIV non-disclosure cases, including aggravated sexual assault and aggravated assault. While failing to disclose other sexually transmissible infections (STIs) prior to sexual activity could also invalidate consent to that activity, most cases that come to the attention of law enforcement concern HIV."

https://www.canada.ca/en/department-justice/news/2017/12/fact_sheet_hiv_non-disclosureandthecriminallaw.html