Skip to main content
VaccineWatch
VaccinesSymptomsStatesAnalysisToolsDashboardCompare

VaccineWatch

Transparent access to VAERS data for informed decision-making. We present the data as-is, with appropriate context and disclaimers.

Explore Data

  • Vaccines
  • Symptoms
  • Manufacturers
  • States
  • Dashboard
  • Compare Tool
  • Search

Deep Dives

  • The Denominator Problem
  • Onset Timing
  • Lot Number Analysis
  • COVID Impact
  • Myocarditis
  • Death Reports
  • Interactive Tools
  • All 23 Articles →

Resources

  • About
  • Methodology
  • FAQ
  • Glossary
  • Side Effects Guide
  • Vaccine Schedule
  • Vaccine Safety
  • Safety Timeline
  • Adverse Events
  • Is VAERS Reliable?
  • Report an Event
  • Disclaimer
  • VAERS Official Site ↗

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending
  • OpenMedicare
  • OpenLobby
  • TheDataProject.ai

Data source: VAERS (Vaccine Adverse Event Reporting System)

Data through 2026 · Updated quarterly

Built by TheDataProject.ai · © 2026 VaccineWatch

Important: VAERS accepts reports of adverse events following vaccination. For any given report, there is no certainty that the reported event was caused by the vaccine. Reports may contain information that is incomplete, inaccurate, coincidental, or unverifiable. Most reports to VAERS are voluntary, which means they are subject to biases. This data cannot be used to determine if vaccines cause or contribute to adverse events.

⚠️

Important: VAERS reports alone cannot determine if a vaccine caused an adverse event. Reports may contain incomplete, inaccurate, or unverified information. Correlation does not equal causation.

  1. Home
  2. Vaccines
  3. Hepatitis A (Vaqta)
  4. 1998
Hepatitis A (Vaqta)1998

Hepatitis A (Vaqta) in 1998

244 adverse event reports (+8% vs 1997)

Share
244
Reports
1
Deaths
19
Hospitalizations
93
ER Visits
7
Disabilities
← 1997 (225 reports)1999 (351 reports) →

1998 Reporting Summary

In 1998, 244 adverse event reports were filed for Hepatitis A (Vaqta) in VAERS. This represents 0.5% of all 48,094 reports for this vaccine.

Of these reports, 1 mentioned death, 19 involved hospitalization, 93 required ER visits, and 7 reported disability.

Compared to the average of 1,482 reports per year for this vaccine, 1998 was below average (-84%).

💡 What This Means

In 1998, reporting for Hepatitis A (Vaqta) was within typical ranges. As always, VAERS data reflects reports filed, not confirmed adverse events. Trends should be interpreted alongside vaccination volume and population health data.

All Years for Hepatitis A (Vaqta)

YearReportsDeathsHosp.
20251,2971030
20241,642927
20231,896724
20221,689219
20211,439532
20201,246331
20192,139778
20181,978674
20172,589876
20162,738768
20152,466676
20142,046376
20131,736684
20121,7471287
20111,9736130
20102,32613113
20092,55612152
20082,9326131
20072,5917133
20061,347569
2005795034
2004751237
2003905636
2002724342
2001711230
2000547329
1999351016
1998 ← current244119
1997225111
1996251220
19957208

Understanding Yearly Data

•Spikes may reflect awareness: Years with unusual activity (e.g., pandemic) often see increased reporting.
•Dose volume matters: More vaccinations given in a year naturally leads to more reports.
•Reporting lag: Some events are reported months after they occur, so recent years may be incomplete.

Quick Facts

Reports:244
Deaths:1
Hospitalizations:19
% of Total:0.5%
Rank (by vol.):#29 of 31 years
Avg/year:1,482

Related Pages

Hepatitis A (Vaqta) Overview← 1997 Reports1999 Reports →35 Years of ReportingCompare Vaccines

Data Source

This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.