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Vaccine Injury Compensation Program: The

Adjudication of Petitions and the 240-Day

Deadline



May   4, 2026

The Vaccine Injury Compensation Program (VICP) was created by Congress via the National Childhood
Vaccine Injury Act of 1986. The VICP is a no-fault compensation program made up of two essential
components. First, it allows individuals who suffer vaccine-related injuries or deaths to receive
compensation by filing a petition for compensation with the U.S. Court of Federal Claims (Court of
Federal Claims) and serving the petition on the Secretary of the U.S. Department of Health and Human
Services (HHS). Second, the statute provides a liability shield for vaccine manufacturers and
administrators (i.e., individuals who administer vaccines), which generally prevents injured individuals
from bringing lawsuits until the VICP process is exhausted. Congress directed the Office of Special
Masters (OSM), which adjudicates petitions for compensation, to determine entitlement within 240 days
of the filing of the petition. If a petition has not been adjudicated within that time frame, a petitioner may
voluntarily dismiss it; this provision is known as the 240-day deadline. Thus, a petitioner may exhaust
the VICP remedy either by fully adjudicating a VICP petition, or by withdrawing the petition after the
240-day deadline.
Historically, some individuals who were not entitled to VICP compensation have subsequently sued
vaccine manufacturers. In recent years, there has been concern that more petitioners will use the 240-day
deadline to exit the program and instead pursue litigation against manufacturers, potentially
circumventing the general purpose of the VICP statute. For example, in 2022, hundreds of petitioners
filed complaints in federal court that were consolidated into a multidistrict litigation against Merck, the
maker of the Gardasil vaccine (In re GardasilProducts Liability Litigation). Most, but not all, of those
litigants first exhausted their VICP remedy. For the claimants who did not exhaust their VICP remedy, the
U.S. Court of Appeals for the Fourth Circuit (Fourth Circuit) ruled in 2025 that timely participation in the
VICP  was necessary before a petitioner could join the multidistrict litigation. In recent years, a growing
number of petitions have been dismissed by petitioners after the 240-day deadline, with at least one
petitioner claiming that her attorney encouraged her to file a VICP petition only to then use the 240-day
deadline to exit the program, even when she wanted to pursue compensation through VICP.


                                                                 Congressional Research Service
                                                                   https://crsreports.congress.gov
                                                                                      LSB11428

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