The debate around vaccine boosters is in full force — as scientists from around the world try to determine the body’s long-term immune response to COVID-19 vaccines. Is the protection from vaccines decreasing? And will you need a third shot to stay safe? As Emanuela Campanella reports, virologists in Montreal say you need to look at more than just antibodies for the answer.
- Health Canada to review AstraZeneca’s COVID-19 prevention drug
- Russia counting on COVID-19 antibody tests. Western experts say it’s unwise