Pfizer Seeks Regulatory Approval for Lyme Disease Vaccine
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Mar 23 2026
0mins
Source: Newsfilter
- Vaccine Development Progress: Pfizer plans to seek regulatory approval for its Lyme disease vaccine despite failing to meet statistical goals in late-stage trials; however, the company claims the vaccine reduced infection rates by over 70% among recipients, indicating strong efficacy.
- Market Potential Assessment: Pfizer's partner Valneva estimates that the vaccine could achieve peak annual sales exceeding $1 billion, although Pfizer's overall revenue is projected at around $60 billion, with more than $5 billion coming from its Covid-19 vaccine, suggesting limited market prospects for the Lyme vaccine.
- Clinical Trial Challenges: In 2023, Pfizer and Valneva dropped about half of the participants in their Phase 3 trial due to quality concerns with a third-party clinical trial site operator, reducing enrollment from 18,000 to approximately 9,400, highlighting uncertainties in the vaccine development process.
- Vaccine Policy Risks: Advancing a vaccine that technically failed a clinical trial under an administration advocating stricter scrutiny may pose risks for Pfizer, potentially serving as a litmus test for vaccine policy in the U.S. and influencing future approvals and market acceptance.
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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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