Understanding the Gardasil Lawsuits

What Is Gardasil and Who Received It?

Gardasil and its successor Gardasil 9 are vaccines designed to protect against certain strains of human papillomavirus (HPV) , a sexually transmitted infection that can cause cervical cancer, genital warts, and other cancers. The CDC recommends the HPV vaccine for preteens at age 11 or 12, with catch-up vaccination for individuals through age 26 (and in some cases through 45). Vaccination is widespread , as of 2023, the CDC reported that over 58% of U.S. adolescents had received the recommended doses.

For most recipients, the vaccine produces no serious side effects. But a subset of vaccinated individuals , many of them adolescent girls and young women , have reported serious conditions they and their doctors believe emerged shortly after vaccination. These reports form the basis of the ongoing lawsuits against Merck.

Alleged Injuries , What Plaintiffs Are Claiming

The injuries alleged in the Gardasil lawsuits are serious and, in many cases, life-altering. Plaintiffs and their medical providers have reported that the following conditions developed in close temporal proximity to Gardasil vaccination:

• Postural Orthostatic Tachycardia Syndrome (POTS) , a disorder of the autonomic nervous system causing rapid heart rate upon standing, dizziness, fainting, and fatigue
• Premature Ovarian Insufficiency (POI) , loss of normal ovarian function before age 40, causing infertility and early menopause
• Autoimmune disorders , including lupus, rheumatoid arthritis, and multiple sclerosis
• Guillain-Barré Syndrome , a rare but serious neurological condition in which the immune system attacks the peripheral nervous system, causing muscle weakness and sometimes paralysis
• Anaphylaxis , severe allergic reaction occurring shortly after injection
• Complex Regional Pain Syndrome (CRPS) , chronic pain disorder affecting the limbs
• Chronic fatigue and fibromyalgia-type symptoms , debilitating long-term pain and exhaustion

The VAERS database , operated by the CDC and FDA , is a passive surveillance system that tracks reports of adverse events following vaccinations. It is not designed to establish causation, but plaintiff attorneys and researchers have cited VAERS data as part of the evidentiary record in the litigation. Merck and the FDA maintain that controlled clinical studies do not establish a causal link between Gardasil and these conditions.

Core Legal Allegations Against Merck

Plaintiffs in MDL No. 3036 are pursuing several theories of liability against Merck. Understanding these theories is important because the legal landscape shifted significantly in 2024 and 2025:

Failure to Warn

The central claim in most Gardasil lawsuits is that Merck failed to adequately warn patients and physicians about the risk of serious adverse events , particularly autoimmune conditions and POTS. Plaintiffs allege Merck knew or should have known about these risks based on its own clinical trial data and post-market surveillance reports, but did not update the Gardasil label to reflect them. This is the most common product liability theory in pharmaceutical injury cases.

Fraudulent Clinical Trials and Inadequate Testing

Some plaintiffs allege that Merck’s pre-approval clinical trials used aluminum-based placebos rather than inert saline placebos. The significance: aluminum adjuvants are present in Gardasil itself and are theorized by some researchers to contribute to adverse immune responses. Using a similar compound as a “placebo” may have masked adverse event rates in the trial data, plaintiffs argue.

Deceptive Marketing , The “One Less” Campaign

Merck’s “One Less” marketing campaign emphasized Gardasil’s cancer-prevention benefits while minimizing risk disclosure, plaintiffs allege. Claims that the marketing created a misleading impression of safety , particularly for parents making vaccination decisions for their children , are part of the broader litigation picture.

The Vaccine Court: You Must Go There First

Before anyone can sue Merck in federal court over a vaccine injury, federal law requires them to first file a claim in the National Vaccine Injury Compensation Program (VICP) , commonly called “Vaccine Court.” This is a no-fault federal program created specifically to compensate people who are injured by covered vaccines, including Gardasil.

Here is how the process works:

1. File in the VICP first

   You must submit a petition to the U.S. Court of Federal Claims. The VICP has its own Vaccine Injury Table listing injuries presumed to be caused by covered vaccines. If your injury is on the Table and occurred within the right timeframe, compensation may be available without proving causation. HPV vaccine-related injuries currently have limited Table coverage, which means many claimants must prove causation directly.

2. Three-year deadline from injury onset

   VICP petitions must be filed within three years of the first symptom of the injury. Missing this deadline typically eliminates your VICP eligibility , and your ability to later sue in civil court. This deadline is strict.

3. If VICP denies or you reject the award

   If the VICP denies your claim, or if you receive a compensatory award and choose to reject it, you can then pursue a civil lawsuit against Merck in federal court. Most Gardasil plaintiffs currently in MDL 3036 went through this process.

4. Civil litigation , MDL No. 3036

   The federal Gardasil MDL is pending in the Western District of North Carolina. Cases are being coordinated for pre-trial proceedings, including discovery and bellwether trials that will test the strength of the claims and likely influence any global settlement.

Where the Gardasil Litigation Stands Today

As of early 2026, Gardasil litigation remains active but legally complicated. Key developments:

• MDL No. 3036 in the Western District of North Carolina has hundreds of cases consolidated for pre-trial proceedings. Bellwether trials , test cases selected to represent broader groups , are expected to shape how the litigation proceeds and whether Merck pursues global settlement.
• Preemption dismissals have eliminated many “failure to warn” claims. Courts applying federal preemption doctrine have dismissed cases arguing Merck should have warned about specific risks on its own initiative, ruling that FDA control over vaccine labeling blocks those claims. Plaintiffs’ attorneys are pursuing alternative legal theories and appeals.
• Cases involving manufacturing defects or fraud , as opposed to labeling claims , may have stronger footing against preemption challenges. These theories are being actively pursued.
• Merck and the FDA continue to assert that Gardasil is safe and effective and that no causal link has been established between the vaccine and the conditions alleged in the lawsuits.

This is a high-stakes litigation involving significant scientific and legal complexity. Results depend heavily on a claimant’s specific injury, the timing of vaccination and symptom onset, and how preemption arguments play out on appeal. Each case must be evaluated individually.

How Sam Aguiar Injury Lawyers Approaches These Cases

Our team handles complex injury lawsuits including pharmaceutical and product liability claims. For potential Gardasil clients, the evaluation focuses on:

• Medical documentation connecting injury onset to vaccination timing
• Diagnosis and treatment records for the alleged condition
• VICP deadline status , have you already filed? Is the three-year window still open?
• Whether your specific injury and claim theory can survive current preemption challenges
• Coordination with the MDL or potential individual case filing

Every client at Sam Aguiar Injury Lawyers gets a dedicated team of three , a top-rated attorney, a highly experienced case manager, and a dedicated legal assistant. You pay $0 Out-Of-Pocket, and our no increased litigation fees contingency fee never increases. That is the Bigger Share Guarantee®. With 40+ Seven-Figure Results Since 2020 and recognition from Forbes, Super Lawyers, and the Courier Journal, we bring serious weight to serious cases.

If you or your child received Gardasil and developed a serious health condition shortly after vaccination, the first step is a conversation. Call us 24/7 , no appointment needed, average qualifying call is 10 minutes.