https://www.scientificamerican.com/article/omicron-is-likely-to-weaken-covid-vaccine-protection-but-boosters-could-restore-it/?utm_source=newsletter&utm_medium=email&utm_campaign=health&utm_content=link&utm_term=2021-12-13_featured-this-week&spMailingID=70991226&spUserID=MTEwMTQwMDYwODYS1&spJobID=2227596169&spReportId=MjIyNzU5NjE2OQS2