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COVID-19 Update: Nearly 30 per cent of survey respondents broke restrictions | Rural areas of Alberta seeing lower vaccine rates

COVID-19 Update: Nearly 30 per cent of survey respondents broke restrictions | Rural areas of Alberta seeing lower vaccine rates
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Will we need a COVID vaccine booster? Fall unlikely, but spring a possibility

Experts fear AstraZeneca COVID-19 vaccine wastage after NACI recommends mixing doses

COVID-19: Can we mix and match vaccines? New study suggests it works

  TORONTO More evidence on mixing and matching COVID-19 vaccines is emerging, with preliminary results from a Spanish study suggesting that taking two different doses may actually produce more antibodies. The results, revealed in a press conference Tuesday, seem to provide the first hint of how effective mixing vaccine doses could be. In the study, shots of the Pfizer-BioNtech vaccine were delivered to around 440 people under the age of 60 who had already received AstraZeneca as their first shot. The early results were similar to those from a U.K. study two weeks ago, finding that the combination was ultimately safe. The side effects observed were mostly sore arms, headaches, fever and fatigue, and generally cleared up after two to three days.

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