Tufts epidemiologist Dr. Shira Doron talks about two new omicron subvariants causing a spike in cases in South Africa and why new COVID-19 variants have been more contagious but less deadly. Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ…
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:
Massachusetts should see its first COVID-19 vaccines by the middle of this month, with 300,000 units expected by the end of the year. Subscribe to WCVB on YouTube now for more: Get more Boston news: Like us: Follow us: Instagram: