Canada’s chief medical officer of health Dr. Theresa Tam said Friday that the National Advisory Committee on Immunization is backing COVID-19 booster shots for those who are immunocompromised while they are still studying them for the general population. Based on new recommendation from NACI, Tam advised that “an additional dose, or third dose of COVID-19 vaccine, for moderately or severely immunocompromised people who are more likely to have had a less than adequate immune response to the initial one or two dose COVID-19 vaccine series.”
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