'Grandma, you are trending on TikTok': Winnipeg grandmas find online fame as millions view their dancing video

From left to right: Sisters Wendy Dreger, Lois Kreutzer, and Donna Emes, are scene dancing on TikTok. The video has garnered more than five million views. (Source: TikTok/oldlady152) From left to right: Sisters Wendy Dreger, Lois Kreutzer, and Donna Emes, are scene dancing on TikTok. The video has garnered more than five million views. (Source: TikTok/oldlady152)

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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.