There is still a lot we don’t yet about immunity from COVID-19. How long does vaccine protection last? Will boosters be needed someday? Subscribe to WCVB on YouTube now for more: Get more Boston news: Like us: Follow us: Instagram:
![Boston doctor compares current COVID-19 strains to original virus](https://www.vitaminrush.com/wp-content/uploads/2023/01/1674223808_hqdefault.jpg)
There is still a lot we don’t yet about immunity from COVID-19. How long does vaccine protection last? Will boosters be needed someday? Subscribe to WCVB on YouTube now for more: Get more Boston news: Like us: Follow us: Instagram: