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

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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.

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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. Influenza, Seasonal (Fluvirin)
  4. 2020
Influenza, Seasonal (Fluvirin)2020

Influenza, Seasonal (Fluvirin) in 2020

464 adverse event reports (-83% vs 2019)

Share
464
Reports
6
Deaths
24
Hospitalizations
50
ER Visits
23
Disabilities
← 2019 (2,659 reports)2021 (174 reports) →

2020 Reporting Summary

In 2020, 464 adverse event reports were filed for Influenza, Seasonal (Fluvirin) in VAERS. This represents 0.4% of all 119,695 reports for this vaccine.

Of these reports, 6 mentioned death, 24 involved hospitalization, 50 required ER visits, and 23 reported disability.

Compared to the average of 3,072 reports per year for this vaccine, 2020 was below average (-85%).

💡 What This Means

In 2020, reporting for Influenza, Seasonal (Fluvirin) 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 Influenza, Seasonal (Fluvirin)

YearReportsDeathsHosp.
2026363415
20255,88450237
20244,96233198
20236324
20228603
2021174012
2020 ← current464624
20192,659780
20183,3757136
20174,7529169
20167,16424267
20159,39629396
20147,11931435
20137,44134450
20127,09632465
20117,17249553
20107,99644596
20095,74643436
20084,18621284
20073,39528241
20062,43821205
20052,84032212
20042,26542152
20031,94859174
20021,81314161
20011,50428130
20001,68819104
19991,56917138
19981,65324138
19971,70725156
19961,29421123
19951,11725140
19941,14021130
19934101568
19924542578
19912451251
199094615

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:464
Deaths:6
Hospitalizations:24
% of Total:0.4%
Rank (by vol.):#29 of 37 years
Avg/year:3,072

Related Pages

Influenza, Seasonal (Fluvirin) Overview← 2019 Reports2021 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.