Guard says he was warned by inmate not to touch pepper spray during N.S. jail assault

A sheriff's prisoner transport van is parked outside the Halifax Convention Centre at the start of a trial for six of the 15 inmates accused of participating in a vicious assault of another prisoner at a Nova Scotia jail, in Halifax on Wednesday, Sept. 22, 2021. The victim sustained life-threatening injuries in the Dec. 2, 2019 attack at the Central Nova Scotia Correctional Facility in Dartmouth. THE CANADIAN PRESS/Andrew Vaughan A sheriff's prisoner transport van is parked outside the Halifax Convention Centre at the start of a trial for six of the 15 inmates accused of participating in a vicious assault of another prisoner at a Nova Scotia jail, in Halifax on Wednesday, Sept. 22, 2021. The victim sustained life-threatening injuries in the Dec. 2, 2019 attack at the Central Nova Scotia Correctional Facility in Dartmouth. THE CANADIAN PRESS/Andrew Vaughan

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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.