VAERS reports by lot

Sanofi Pasteur DTaP/Tdap lot U4646AA: VAERS reports

29 VAERS reports list lot U4646AA as a Sanofi Pasteur DTaP/Tdap vaccine, received between 2013-06-17 and 2015-06-02. Data: VAERS public files through 28 May 2026 (site extract 2026-10-28).

Read this first. VAERS accepts reports from anyone, and a report does not establish that the vaccine caused the event. A lot's report count mostly reflects how many doses it contained, when it was used and who received it; no administered-dose counts are published for this lot, so counts are not rates and cannot rank lots against each other. Lot numbers in VAERS reports are typed by reporters and are sometimes wrong.
29
Reports
21%
Marked serious
0
With a death outcome
9
Months with reports

Symptom categories in these reports

A report can mention several categories, so the counts add up to more than the number of reports.

CategoryCount%
Injection-site / Local reaction3236%
General / Systemic (non-local)1517%
Musculoskeletal1011%
Neurological910%
Respiratory56%
Gastrointestinal56%
Cardiac / Cardiovascular45%
Allergic / Anaphylactic45%
Dermatological (non-injection-site)33%
Psychiatric / Neuropsychiatric11%

Where reports came from

U.S. state of the reporter, where given (top 12).

StateReports
South Carolina6
Maryland3
Missouri3
Georgia2
New Jersey1
Wisconsin1
California1
Michigan1
Massachusetts1
Florida1
Nebraska1
North Carolina1

Reports by month received

MonthReportsBar
2013-061
2013-076
2013-086
2013-091
2013-113
2013-121
2014-091
2015-019
2015-061

Products recorded with this lot

Manufacturer and product as reported in VAERS. Reports listing the lot under more than one product are counted once.

Related

Nearby Sanofi Pasteur DTaP/Tdap lots (A–Z): U4612AA · U4617AA · U4618AA · U4655AA · U4700BA · U4804AA

Source: VAERS public data (CDC/FDA), grouped by manufacturer and lot by the Open Source Medicine Foundation; extract 2026-10-28 18:08 UTC. Not medical advice. Report errors via contact.