NACI advice on 'preferred vaccines' for COVID-19 sparks confusion, anger

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The National Advisory Committee on Immunization is coming under fire after contradicting the advice Canadians have been receiving for weeks to take the first vaccine against COVID-19 that they're offered.
    
NACI said Monday that the Pfizer-BioNTech and Moderna vaccines are ``preferred'' and that Canadians should weigh the risks of waiting for one of them before deciding whether to take a more immediate jab of either of the other two approved for use in Canada.
    
The Johnson & Johnson and AstraZeneca vaccines have been linked to a new and extremely rare blood-clotting syndrome.
    
Because of that, Dr. Shelly Deeks, vice-chair of the committee, said someone working from home in a province where there is not much disease might want to wait for a shot of the Pfizer or Moderna vaccines.
    
But she said it would be a very different risk-benefit analysis for someone working in a manufacturing plant without personal protective equipment in a province where COVID-19 is spreading like wildfire.
    
NACI's advice appears to contradict Health Canada's long-standing recommendation that the best vaccine is the first one available.