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PFE
NYSE Life Sciences

Pfizer's Lyme Vaccine Achieves Over 70% Efficacy in Phase 3, Regulatory Filings Planned

Tom Rudovsky · Reported by Dow Jones Newswires
More coverage: Pharmaceutical Stocks · Healthcare
Sentiment info
Positive
Importance info
8
Price
$26.65
Mkt Cap
$153.359B
52W Low
$20.915
52W High
$27.94
52W Position info
27% above low
Off High info
4.6% below high
Rel. Volume info
1.5× avg
Market data snapshot near publication time

PFE sits 27% above its 52-week low of $20.915.

Summary

Pfizer and Valneva reported positive topline results from their Phase 3 trial for the LB6V Lyme disease vaccine candidate, demonstrating over 70% efficacy in preventing the disease and good tolerability. Despite a statistical criterion not being met in the primary endpoint due to fewer cases than anticipated, the criterion was met in a second pre-specified analysis, and Pfizer expressed confidence in the vaccine's potential. This development is significant for Pfizer, a large-cap pharmaceutical company, as it represents a potential new revenue stream in an area with no currently approved human vaccine. The companies are planning submissions to regulatory authorities, which could lead to the first-to-market solution for Lyme disease. Traders will closely watch the regulatory approval process and subsequent commercialization plans.

At the time of this announcement, PFE was trading at $26.65 on NYSE in the Life Sciences sector, with a market capitalization of approximately $153.4B. The 52-week trading range was $20.92 to $27.94. This news item was assessed with positive market sentiment and an importance score of 8 out of 10. Source: Dow Jones Newswires.


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PFE - Latest Insights

PFE
Sep 21, 2026, 2:15 AM EDT
Source: Seeking Alpha
Importance Score:
7
Price at Filing: $27.62
Real-time Price: $28.69 info
Change: +$1.06 (+4%) info
Market Cap: $163.495B info
PFE
Sep 07, 2026, 2:46 AM EDT
Source: CNBC TV18
Importance Score:
7
Price at Filing: $28.44
Real-time Price: $28.69 info
Change: +$0.245 (+0.86%) info
Market Cap: $163.495B info
PFE
Aug 27, 2026, 4:30 PM EDT
Source: BusinessWire
Importance Score:
7
Price at Filing: $28.05
Real-time Price: $28.69 info
Change: +$0.635 (+2%) info
Market Cap: $163.495B info
PFE
Aug 04, 2026, 10:30 AM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $24.89
Real-time Price: $28.69 info
Change: +$3.80 (+15%) info
Market Cap: $163.495B info
PFE
Aug 04, 2026, 7:12 AM EDT
Source: Dow Jones Newswires
Importance Score:
9
Price at Filing: $25.07
Real-time Price: $28.69 info
Change: +$3.62 (+14%) info
Market Cap: $163.495B info