Pfizer's Vaccine Candidate PF-07307405 Shows Over 70% Efficacy
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Mar 23 2026
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Should l Buy PFE?
Source: Newsfilter
- Vaccine Efficacy: Pfizer's 6-valent OspA-based Lyme disease vaccine candidate PF-07307405 demonstrated an efficacy of 73.2% in individuals aged five and older, significantly reducing the rate of confirmed Lyme disease cases, indicating the vaccine's substantial potential in disease prevention.
- Safety Assessment: The investigational vaccine candidate was well tolerated with no safety concerns identified at the time of analysis, which bolsters confidence for future regulatory submissions and may expedite the vaccine's market introduction.
- Clinical Trial Results: The VALOR trial results indicated an efficacy of 74.8% in season two, not only addressing the clinical need for a Lyme disease vaccine but also potentially enhancing Pfizer's competitiveness in the vaccine market.
- Collaborative Development: The ongoing collaboration agreement between Pfizer and Valneva, initiated in April 2020, aims for Pfizer to exclusively manufacture and commercialize the vaccine upon regulatory approval, further solidifying its leadership position in the vaccine sector.
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Analyst Views on PFE
Wall Street analysts forecast PFE stock price to rise
16 Analyst Rating
5 Buy
11 Hold
0 Sell
Moderate Buy
Current: 27.040
Low
24.00
Averages
28.56
High
35.00
Current: 27.040
Low
24.00
Averages
28.56
High
35.00
About PFE
Pfizer Inc. is a research-based, global biopharmaceutical company. The Company is engaged in the discovery, development, manufacture, marketing, sale and distribution of biopharmaceutical products worldwide. Its Biopharma segment includes the Pfizer U.S. Commercial Division, and the Pfizer International Commercial Division. Its product categories include oncology, primary care and specialty care. Its oncology products include Ibrance, Xtandi, Padcev, Adcetris, Inlyta, Lorbrena, Bosulif, Tukysa, Braftovi, Mektovi, Orgovyx, Elrexfio, Tivdak and Talzenna. Its primary care products include Eliquis, Nurtec ODT/Vydura, Zavzpret, the Prevnar family, Comirnaty, Abrysvo, FSME/IMMUN-TicoVac, Nimenrix, Trumenba, and Paxlovid. Its specialty care products include Xeljanz, Enbrel (outside the United States and Canada), Inflectra, Abrilada, Cibinqo, Litfulo, Eucrisa, Velsipity, the Vyndaqel family, Genotropin, and others. Its PF-08653944 is an ultra-long-acting fully biased GLP-1 receptor agonist.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.

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