Moderna COVID-19 Vaccine Lot Numbers with the Most Reported Deaths: Updated April 2026

Part 2 of the Vaccine Lot Numbers Examined

This is a brand-new article listing the top 100 Pfizer COVID-19 vaccine lot numbers, using the latest CDC Wonder data from the rollout year, 2021, through April 24, 2026.

🎧 ▶️ Press the play button below to listen.

Introduction

This article responds to continued public interest in vaccine lot-level data and follows the same methodology as our earlier analysis of Pfizer lot numbers.

The data presented here is current as of April 24, 2026, drawn directly from the U.S. Vaccine Adverse Event Reporting System (VAERS) — a national passive surveillance database co-managed by the CDC and FDA.

VAERS accepts reports from healthcare providers, vaccine manufacturers, and the public. Anyone can submit a report, and they are encouraged to report any clinically significant health problem following vaccination, whether or not they believe the vaccine caused it.

Because of this, VAERS data alone cannot tell us whether a vaccine caused a death. The reports may be incomplete, inaccurate, coincidental, or unverifiable. They also lack a denominator — meaning we do not know how many doses of each lot were given.

However, there is another critical factor that readers must understand: the opposite problem of underreporting.

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The Other Side: VAERS Dramatically Underreports Adverse Events

While VAERS data has limitations, experts also acknowledge that the system captures only a tiny fraction of actual adverse events. The Lazarus Report — a grant final report submitted to the U.S. Department of Health and Human Services (AHRQ Grant No. R18HS017045) — investigated adverse event reporting by comparing electronic medical records to VAERS records. Their findings were striking:

“Although 25% of ambulatory patients experience an adverse drug event, less than 0.3% of all adverse drug events and 1-13% of serious events are reported to the Food and Drug Administration (FDA). Likewise, fewer than 1% of vaccine adverse events are reported.”

This means that for every vaccine adverse event that occurs, fewer than 1 in 100 is ever reported to VAERS. For COVID-19 vaccines specifically, some researchers have found that underreporting may be even more pronounced because vaccines were administered at non-traditional sites (pharmacies, pop-up clinics, mass vaccination sites) where adverse event reporting was less systematic than in traditional healthcare settings.

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Additional Complexity: Booster Shots and Mixed Vaccine Series

There are two additional factors that make interpreting VAERS data — and assigning adverse events to specific lots or vaccines — extremely difficult, especially in later years.

1. If an adverse event occurs after a booster, was it caused by the booster or the original shot?

Consider a person who:

• Received their primary Moderna series in early 2021 (Lot A and Lot B)
• Received one or more Moderna boosters in 2022, 2023, or 2024 (Lot C, Lot D, etc.)

If that person experiences a serious adverse event in 2024, the VAERS report will typically list only the most recent vaccine lot (the booster) as the suspect product. However, the adverse event could theoretically be related to:

• The booster itself (Lot C or D)
• The original primary series (Lot A or B), with delayed onset
• An interaction between doses
• Purely coincidental background illness

VAERS cannot distinguish between these possibilities.

2. Mixing vaccines within a series further confounds the problem

Millions of Americans received:

• Moderna for dose 1, Pfizer for dose 2 (or vice versa)
• Different brands across the primary series and boosters

In these cases, VAERS typically records only the vaccine given at the most recent dose. The contribution of prior doses from other manufacturers is lost.

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Summary of Key Caveats

What these numbers ARE	What these numbers ARE NOT
Reports of death after vaccination	Proof of death because of vaccination
Useful for generating hypotheses	Useful for determining safety or risk
A reflection of reported volume	A reflection of actual death rates
Known to capture fewer than 1% of events	A complete or accurate count
Able to record only the most recent vaccine lot	Able to identify which dose in a series caused an event

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Top 100 Moderna COVID-19 Vaccine Lots by Total VAERS Death Reports

The table below ranks Moderna lots by the total number of death reports in VAERS (all months combined). These are raw, unverified counts. See the limitations above before drawing any conclusions.

Rank	Vaccine Lot	Total Death Reports
1	012L20A	187
2	022M20A	166
3	039K20A	140
4	010A21A	120
5	030L20A	108
6	026A21A	108
7	031M20A	101
8	013L20A	100
9	030M20A	97
10	024M20A	96
11	013M20A	95
12	004M20A	94
13	010M20A	93
14	007M20A	91
15	012M20A	84
16	027L20A	81
17	012A21A	77
18	025L20A	74
19	043L20A	71
20	040A21A	70
21	015M20A	70
22	016M20A	69
23	006M20A	69
24	030A21A	67
25	011M20A	64
26	041L20A	61
27	025B21A	59
28	037K20A	59
29	026L20A	57
30	029A21A	55
31	036A21A	54
32	013A21A	51
33	011L20A	51
34	007B21A	51
35	006B21A	50
36	032M20A	47
37	044A21A	47
38	031A21A	46
39	023M20A	45
40	032L20A	44
41	042L20A	44
42	018B21A	44
43	030B21A	44
44	020B21A	43
45	038A21A	42
46	017B21A	42
47	027A21A	39
48	045A21A	39
49	048B21A	38
50	047A21A	37
51	002A21A	37
52	011A21A	36
53	019B21A	36
54	032B21A	36
55	011J20A	36
56	027B21A	35
57	009C21A	33
58	028L20A	33
59	025A21A	33
60	039B21A	32
61	002C21A	32
62	003B21A	31
63	048A21A	31
64	025J20-2A	31
65	040B21A	30
66	076C21A	30
67	207H23-2A	29
68	042B21A	28
69	032H20A	28
70	014M20A	26
71	021B21A	26
72	038K20A	25
73	3043159	25
74	006C21A	24
75	001A21A	23
76	008B21A	23
77	037B21A	23
78	046A21A	23
79	005C21A	22
80	011F21A	22
81	028A21A	22
82	025J20A	22
83	003A21A	21
84	047B21A	21
85	038B21A	21
86	030H21B	21
87	016B21A	19
88	058H21A	19
89	034F21A	19
90	017C21A	19
91	041C21A	18
92	020F21A	18
93	024C21A	18
94	004C21A	18
95	047C21A	18
96	046B21A	17
97	001C21A	17
98	002B21A	17
99	032F21A	17
100	045J21A	16

Note: Lots with identical totals are ranked alphabetically by lot number within the same count. The NONE category (missing lot number) had 1,345 reports — the largest single category.

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What This Table Actually Shows

If you think it shows…	The truth is…
The most dangerous Moderna lots	They are the most widely used Moderna lots in early 2021
A safety signal	A reporting signal (high volume + vulnerable population)
That later lots are safer	The latter lots were given to healthier people with lower baseline death risk
Proof of vaccine harm	Proof that VAERS captures coincidental deaths

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The Bottom Line: Lessons from a Pandemic

The COVID-19 pandemic has taught us many lessons — not all of them coming from mainstream medicine. Patients, families, independent researchers, and community doctors also observed, documented, and asked hard questions. Some of those questions have not yet been fully answered.

VAERS is one tool among many. It is flawed, incomplete, and easily misunderstood. But it is also one of the few windows the public has into what is being reported — and what is not.

Whether you are a vaccine advocate, a skeptic, or somewhere in between, the data in this article should not be used to declare any lot “safe” or “dangerous.” Instead, it should remind us of something broader:

People should look back and learn from what happened — because it can possibly happen again.

Another pandemic. Another vaccine. Another rapid rollout. Another passive surveillance system has the same strengths and the same weaknesses.

The question is not whether VAERS is perfect or worthless. The question is whether we — as individuals, as communities, and as a country — will remember what we learned this time.

• Will we demand better reporting systems?
• Will we demand safer vaccines?
• Should we wait to take the shot?
• Will we track lot-specific outcomes with denominators?
• Will we honestly investigate both underreporting and coincidental reports?

Those lessons are not in any lot number. They are in how we choose to respond now.

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Data Source and Methodology

• Data source: CDC WONDER VAERS database
• Query date: May 18, 2026
• Filter: Moderna COVID-19 vaccine (original monovalent, product code 1201 and 1228 combined where applicable), U.S. reports only, symptom = DEATH
• Processing: Reports processed through April 24, 2026
• Aggregation: Monthly reports summed per unique lot number; typographical variants and obvious misspellings were not combined to preserve data integrity

Don’t Get Sick!

About Dr. Jesse Santiano, MD

Dr. Santiano is a retired internist and emergency physician with extensive clinical experience in metabolic health, cardiovascular prevention, and lifestyle medicine. He reviews all medical content on this site to ensure accuracy, clarity, and safe application for readers. This article is for educational purposes and is not a substitute for personal medical care.

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Related:

1. Pfizer Lot Numbers with the Most Reported Deaths Examined
2. Pfizer COVID-19 Vaccine Lot Numbers with the Most Deaths
3. Lot Numbers of Pfizer and Moderna mRNA Vaccines with the Highest Deaths
4. Moderna COVID-19 Vaccine Lot Numbers with the Most Deaths: Medalerts
5. Pfizer and Moderna shots increase all cause mortality: Denmark study
6. Seven things wrong with the Moderna mRNA-1283 SARS-CoV-2 Vaccine Phase 1 Trial
7. A professional athlete who died of fulminant myocarditis after the Moderna jab
8. Moderna COVID-19 shot Lot numbers with the most deaths: Medalerts
9. Pfizer and Moderna shots increase all cause mortality: Denmark study
10. The Moderna patented genetic sequence in SARS-CoV-2 makes it more infectious
11. Moderna’s study shows the ineffectiveness of their shots against the Omicron and why they recommend a booster
12. SARS-CoV-2 spike proteins detected in the plasma following Moderna shots
13. The Pfizer and Moderna booster shots are about 50% effective
14. The Durability Study of the Moderna COVID-19 Vaccine is Strange and Unusual
15. Lot Numbers of Pfizer and Moderna mRNA Vaccines with the Highest Deaths
16. This 42-day study prompted FDA to approve Moderna booster shots for immune-compromised
17. Myocarditis after mRNA Vaccination in the Military
18. Study: Most antibodies produced by mRNA vaccines are Non-neutralizing
19. Doctor reveals how to minimize mRNA vaccine side effects
20. Blood Vessel Damaging Proteins of the SARS-CoV-2
21. Cerebral Thrombosis after the Pfizer Covid-19 Vaccine
22. The High Risk of Deadly Brain Clots in the J & J COVID Vaccine
23. This Study shows a Ten Fold Risk of Developing Blood Clots after the COVID Vaccines.
24. You got the COVID shot and found that others developed blood clots. Now what?
25. Platelet Changes Causes Blood Clots in COVID-19
26. Unidentified Foreign Bodies in the Vaccines Form Clots

Reference:

• United States Department of Health and Human Services (DHHS), Public Health Service (PHS), Centers for Disease Control (CDC) / Food and Drug Administration (FDA), Vaccine Adverse Event Reporting System (VAERS) 1990 – 04/24/2026, CDC WONDER On-line Database. Accessed at http://wonder.cdc.gov/vaers.html on May 18, 2026 7:45:26 PM
• Lazarus, R. (2010). Electronic Support for Public Health – Vaccine Adverse Event Reporting System (ESP: VAERS) – Final Report (Grant No. R18 HS017045). Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services.

Disclaimer:
This article is for educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician before making health decisions based on the TyG Index or other biomarkers.

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