Heritage Park cancels Carnivàle fundraiser due to public health restrictions

Heritage Park was forced to cancel its Carnivale fundraiser event, which was planned weeks in advance, because of Alberta's state of public health emergency. (Supplied/Heritage Park) Heritage Park was forced to cancel its Carnivale fundraiser event, which was planned weeks in advance, because of Alberta's state of public health emergency. (Supplied/Heritage Park)

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Why COVID-19 boosters weren't tweaked to better match variants

More COVID-19 booster shots may be on the way -- but when it's your turn, you'll get an extra dose of the original vaccine, not one updated to better match the extra-contagious delta variant. And that has some experts wondering if the booster campaign is a bit of a missed opportunity to target delta and its likely descendants.