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Top Storiesvia National Post· August 14, 2026 at 11:00 a.m.

New Lyme disease vaccine shows promise in clinical trials

Original headline: “A Lyme disease vaccine may finally be on the way. Why did it take so long?” — National Post

New Lyme disease vaccine shows promise in clinical trials

Key takeaways

  • Lyme disease cases have increased significantly in Canada since 2009
  • A new Lyme disease vaccine has shown promise in clinical trials
  • More data is needed before a vaccine can be approved for use

A new Lyme disease vaccine, PF-07307405, has demonstrated over 70% efficacy in preventing the disease after four doses, according to Pfizer and Valneva's Phase 3 clinical trial results. The vaccine is currently in development by the pharmaceutical company and French biotech firm, with two other potential vaccines also in the works. Experts say while the results are encouraging, more data is needed before a vaccine can be approved for use.

#lyme-disease#vaccine#health

Rewrite provenance: ollama · This brief was independently synthesized from the linked source; the original reporting belongs to its publisher. Read the original: National Post.

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