People who suffer from compromised immune systems may need addition doses of the COVID-19 vaccine.
The National Advisory Committee on Immunization has recommended an additional vaccine dose be offered to people with moderate to severe immunocompromise due to disease or treatment. The Northwest Territories Health and Social Services Authority is offering this fourth dose to individuals, so long as they are at least six months passed their third.
This fourth dose is intended to restore protection that may have decreased over time in individuals who have certain conditions putting them at very high risk for severe disease.
For the same reason, NACI also recommends that youths aged 5-15 years old who are severely immunocompromised should receive a 3rd dose 4-8 weeks after their second dose.