Monday, November 3, 2025
As new COVID-19 variants continue to appear, many Canadians are wondering whether the updated vaccines still offer strong protection. Dr. Yangjianchen Xu, a professor in the Department of Statistics and Actuarial Science at the University of Waterloo and co-author of a large study involving 1.8 million participants, explains how the virus is evolving, what the data show about vaccine performance and why staying up to date with vaccination continues to matter.
Read the full story from Waterloo News to learn more.