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Congressional Research Service
Informing the egislitive debate s~nce 1914


                                                                                             Updated  May 4, 2026

The Vaccine Injury Compensation Program and the Office of

Special Masters


In 1986, Congress passed the National Childhood Vaccine
Injury Act (NCVIA; 42 U.S.C. §§ 300aa-10-300aa-34),
which created the National Vaccine Injury Compensation
Program  (VICP). The VICP is a no-fault compensation
program that allows individuals to file a petition against the
Secretary of Health and Human Services (the Secretary) to
seek compensation for vaccine-related injuries or deaths
allegedly caused by vaccines listed on the Vaccine Injury
Table (the Table). Congress created the Office of Special
Masters (OSM),  situated within the U.S. Court of Federal
Claims (Court of Federal Claims), to adjudicate petitions
filed under the VICP.

This In Focus describes OSM's creation, authority, and
unique jurisdiction. It then identifies several issues related
to the VICP that may be of interest to Congress.

Jurisdicton and Author ty
OSM   has exclusve jurisdiction to adjudicate petitions filed
under the VICP. To seek compensation through the VICP,
individuals or their designees (also called petitioners) file
petitions with OSM against the Secretary (the respondent).
Medical records are reviewed by the Health Resources and
Services Administration (HRSA), a division of HHS. The
Secretary is represented by attorneys from the U.S.
Department of Justice (DOJ), and petitioners often retain
attorneys to represent them.

The VICP  currently covers 16 vaccines, some of which
were added by Congress when  the NCVIA  was passed and
others of which were added by the Secretary via rulemaking
after they were recommended by the Centers for Disease
Control and Prevention (CDC) for routine administration to
children or pregnant women. The list of covered vaccines is
found on the Table, which is codified in regulations at 42
C.F.R. § 100.3(a). The Table describes the injuries and
onset periods known to be associated with each vaccine.
The Secretary may modify the Table via regulation as
outlined in the statute, including by adding or removing
injuries and onset periods. The Secretary is also required to
add a vaccine to the Table within two years when that
vaccine is reconunended by the CDC for routine
administration to children or pregnant women.

Currently, the VICP does not include COVID-19 vaccines.
Individuals seeking compensation for injuries related to
COVID-19   vaccines must instead file a request for benefits
under the Countermeasures Injury Compensation Program
(CICP), which is administered by HRSA.

The   Liabity Shied
Congress created the VICP to limit the liability of
manufacturers and administrators of certain vaccines, while


also providing a process by which individuals injured by
those vaccines could receive compensation. Congress
created the liability shield to address the concern that tort
lawsuits against vaccine manufacturers could result in
vaccine shortages. The VICP shields manufacturers and
administrators from liability for vaccine-related injuries and
deaths by generally barring individuals from filing civil
claims in excess of $1,000 against a covered vaccine
manufacturer or administrator until after a petition has been
filed and judgment entered through the VICP. A petitioner
may  choose to dismiss a VICP petition 240 days after its
filing, if the special master has not reached a decision.
Thereafter, the petitioner could file a civil suit.

Once  a petition has been adjudicated through the VICP and
judgment is entered, a petitioner must choose to accept or
reject the judgment. If the petitioner accepts the judgment,
the petitioner is entitled to any damages awarded by the
special master. In return, however, the petitioner is barred
from filing a claim in court against a vaccine manufacturer
or administrator for the same injury. If the petitioner rejects
the judgment, he or she is not entitled to any money
damages  that were awarded, but may sue the manufacturer
or administrator in court for the alleged injury or death. The
VICP  statute also limits the types of civil actions that can
be brought against manufacturers and administrators; for
example, it generally bars claims for damages for
unavoidable side effects.

Court Proceedings
Speia    Masters
A  special master is an officer of the court who is appointed
by the judges of the Court of Federal Claims to adjudicate
vaccine petitions. The judges appoint special masters for
four-year terms and designate a chief special master (CSM).
The CSM   is responsible for assigning petitions for
adjudication by the special masters and for carrying out
OSM's  administrative business. By statute, OSM is limited
to eight special masters. Like the Court of Federal Claims,
it has nationwide jurisdiction and may hear cases in all
states and U.S. territories.

Special masters function much like judges in adjudicating
VICP  petitions. They conduct telephonic status conferences
between the parties, ensure the record is complete, and hold
hearings. They may also recommend  alternative dispute
resolution proceedings, and they may decide a petition on
the record without a hearing.

Proving  Causation
To be entitled to compensation under the VICP, a petitioner
must show  that the vaccine the petitioner received more


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