Categories #canadalist #canadalisting #canadanews #canadapost #canadastories #canadastory #canadatalk #topstories Search Canada Online Listing U.K. study finds mRNA COVID-19 vaccines provide biggest booster impact Post author By Search Canada Online Listing Blog Post date December 3, 2021 COVID-19 vaccines made by Pfizer and Moderna that use mRNA technology provide the biggest boost to antibody levels when given 10-12 weeks after the second dose, a British study published on Thursday has found. Share this:FacebookX Related ← Fish farm firm Cermaq Canada fined $500,000 for B.C. diesel spill → 9 What did I just see moments…in 90 seconds