(Katie McCallum/ Houston Medicine) — As we’ve learned over the last year, COVID-19 variants are to be expected.

Thankfully, the mRNA technology powering our COVID-19 vaccines provides us with a way to respond when variants not only arise but predominate, as is the case with the highly infectious omicron variant.  …

(Annia Bessonov/ CBC News) — Appointments to get the new bivalent booster shots have opened up across provinces in Canada for all adults.

The vaccine was initially available for provinces’ more vulnerable populations at the beginning of September, but has since been made available to everyone over the age of 18.  …