Last mentioned: Mar 25, 2026
Regulatory Submission
Anticipated filing for FDA and EMA approval based on final trial data.
Efficacy Milestone
Trial results indicate efficacy exceeding the 70% threshold.
Phase 3 Launch
The VALOR trial begins enrolling thousands of participants in endemic areas.
Partnership Formed
Pfizer and Valneva enter a collaboration agreement to develop VLA15.
Pfizer and Valneva have announced that their Lyme disease vaccine candidate, VLA15, demonstrated more than 70% efficacy in late-stage clinical trials. This breakthrough marks the first successful human vaccine development for the tick-borne illness in over two decades, addressing a critical gap in public health.
This page surfaces every story mentioning Valneva across our healthcare coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.
Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running healthcare beat. Cross-entity comparisons live on our compare view.
| What you see | What it tells you |
|---|---|
| Story count | Number of distinct stories where Valneva was a primary or referenced actor. |
| Recency clustering | Whether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc). |
| Sentiment distribution | Aggregate sentiment of the stories mentioning this entity, weighted by impact score. |
| Cross-niche links | When the same entity surfaces in our sibling networks, we link to those views to enrich context. |