Last reviewed · How we verify

Vaqta Injectable Product

National Taiwan University Hospital · FDA-approved active Small molecule ✓ Verified May 2026

Vaqta Injectable Product is a Inactivated viral vaccine Small molecule drug developed by National Taiwan University Hospital. It is currently FDA-approved for Prevention of hepatitis A infection in adults and children.

Vaqta is an inactivated hepatitis A vaccine that stimulates the immune system to produce antibodies against hepatitis A virus.

Vaqta Injectable Product is a small molecule vaccine that is administered via a 0.5mL injection. It is used to prevent Hepatitis A, and has also been studied for its potential to prevent Respiratory Syncytial Virus, Transplantation complications, Hand, Foot and Mouth Disease, and Human Immunodeficiency Virus.

At a glance

Generic nameVaqta Injectable Product
SponsorNational Taiwan University Hospital
Drug classInactivated viral vaccine
TargetHepatitis A virus surface antigen
ModalitySmall molecule
Therapeutic areaImmunology / Infectious Disease
PhaseFDA-approved

Mechanism of action

Vaqta contains inactivated (killed) hepatitis A virus antigen that triggers both humoral and cellular immune responses. Upon vaccination, the body produces specific antibodies (primarily IgG) against hepatitis A virus surface antigens, providing long-term protection against infection. The vaccine typically confers immunity after the primary series and booster dose.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

Frequently asked questions about Vaqta Injectable Product

What is Vaqta Injectable Product?

Vaqta Injectable Product is a Inactivated viral vaccine drug developed by National Taiwan University Hospital, indicated for Prevention of hepatitis A infection in adults and children.

How does Vaqta Injectable Product work?

Vaqta is an inactivated hepatitis A vaccine that stimulates the immune system to produce antibodies against hepatitis A virus.

What is Vaqta Injectable Product used for?

Vaqta Injectable Product is indicated for Prevention of hepatitis A infection in adults and children.

Who makes Vaqta Injectable Product?

Vaqta Injectable Product is developed and marketed by National Taiwan University Hospital (see full National Taiwan University Hospital pipeline at /company/national-taiwan-university-hospital).

What drug class is Vaqta Injectable Product in?

Vaqta Injectable Product belongs to the Inactivated viral vaccine class. See all Inactivated viral vaccine drugs at /class/inactivated-viral-vaccine.

What development phase is Vaqta Injectable Product in?

Vaqta Injectable Product is FDA-approved (marketed).

What are the side effects of Vaqta Injectable Product?

Common side effects of Vaqta Injectable Product include Injection site soreness or swelling, Headache, Fatigue, Fever.

What does Vaqta Injectable Product target?

Vaqta Injectable Product targets Hepatitis A virus surface antigen and is a Inactivated viral vaccine.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing