Health Canada authorizes first bivalent COVID-19 booster, doses to start arriving Friday

Health Canada has authorized the use of the country's first variant-targeting COVID-19 booster shot, marking what health officials are calling a "milestone" in Canada's pandemic response. On Thursday, the federal health regulator announced it has given the green light to Moderna's Omicron-targeting bivalent COVID-19 vaccine, for those ages 18 years and older. The "Spikevax Bivalent" booster dose is an adapted version of the original Moderna mRNA vaccine, and targets both the original strain of C