What protection to expect from updated COVID vaccines this fall
Subscribe to Second Opinion for a weekly analysis of health and medical science news. Canada has just approved an updated COVID-19 vaccine to target the first highly contagious Omicron variant, with doses expected to start rolling out within days. But what exactly can we expect from these new shots when they land in the real world? The updated Moderna vaccine is a combination of two strains, also known as a “bivalent” vaccine, that targets both the original virus and the Omicron variant BA.1…