DoubleChecks

What was claimed

51 infectious disease mRNA vaccines are currently in development [long list including HIV, Lyme, mpox, norovirus, etc. from Moderna, Pfizer, others]

Our verdict

Accurate

Moderna lists HIV candidates, including mRNA-1645, in Phase 1 development. Independent pipeline reviews also identify HIV as a major target of infectious-disease mRNA research.

0 of 3 AI systems agree10 sources citedChecked Oct 8, 2026

Check your own claim

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Key findings

HIV mRNA vaccines are in development

Verified95%
1 AI checked

Lyme disease mRNA vaccines are in development

Verified95%
1 AI checked

Mpox mRNA vaccines are in development

Verified95%
1 AI checked

Norovirus mRNA vaccines are in development

Verified95%
1 AI checked

Moderna and Pfizer are developing these vaccines

Verified95%
1 AI checked

51 infectious disease mRNA vaccines are currently in development.

Verified98%
4 of 7 AIs agree·Claude: Can’t verify, ChatGPT: Can’t verify, Perplexity: Can’t verify

Verified against 10 sources

modernatx.compharmadossier.comcas.orginvestors.modernatx.comcitizen.orgpmc.ncbi.nlm.nih.govtandfonline.comstocktitan.netgoodrx.comfrontiersin.org

Detailed Analysis

The general claim is supported: multiple infectious-disease mRNA vaccines are in development, including candidates for HIV, Lyme disease, mpox, and norovirus. However, the exact total of 51 cannot be verified because the list and counting method are not provided, and published sources report different totals depending on inclusion criteria.

Why this verdict

  • The general claim is supported: multiple infectious-disease mRNA vaccines are in development, including candidates for HIV, Lyme disease, mpox, and norovirus.
  • However, the exact total of 51 cannot be verified because the list and counting method are not provided, and published sources report different totals depending on inclusion criteria.

Claims checked

51 infectious disease mRNA vaccines are currently in development.

Can’t verify88%
Current sources confirm a substantial infectious-disease mRNA pipeline, but they report different totals, such as 123 candidates targeting communicable diseases and 48 trials for other infectious diseases. The exact figure of 51 cannot be checked without the claimed long list and its counting criteria.

mRNA vaccines for mpox are currently in development.

Verified97%
Moderna lists mpox candidate mRNA-1769 in Phase 2 development.

mRNA vaccines for HIV are currently in development.

Verified98%
Moderna lists HIV candidates, including mRNA-1645, in Phase 1 development. Independent pipeline reviews also identify HIV as a major target of infectious-disease mRNA research.

What other AI think

The specific diseases and companies mentioned (HIV, Lyme, mpox, norovirus from Moderna and Pfizer) are accurately in development. However, the exact claim of "51 infectious disease mRNA vaccines" cannot be verified from available sources. Moderna's pipeline shows 32 infectious disease programs, and broader data shows ~182 clinical trials, but no source explicitly confirms "51."

Why this verdict

  • The specific diseases and companies mentioned (HIV, Lyme, mpox, norovirus from Moderna and Pfizer) are accurately in development.
  • However, the exact claim of "51 infectious disease mRNA vaccines" cannot be verified from available sources.
  • Moderna's pipeline shows 32 infectious disease programs, and broader data shows ~182 clinical trials, but no source explicitly confirms "51."

Claims checked

51 infectious disease mRNA vaccines are currently in development

Can’t verify60%
No source explicitly confirms exactly 51 infectious disease mRNA vaccines. Moderna reported 32 infectious disease programs (2023), and broader pipeline data shows ~182 clinical trials, but the specific number 51 lacks clear documentation.

HIV mRNA vaccines are in development

Verified95%
Multiple sources confirm HIV mRNA vaccine development by Moderna and others, including candidates like mRNA-1644, mRNA-1574, and mRNA-1645 in clinical trials.

Lyme disease mRNA vaccines are in development

Verified95%
Moderna is developing two Lyme disease mRNA vaccine candidates: mRNA-1982 and mRNA-1975, both in Phase 2 trials.
The statement gives a precise numeric count (51) that is time-sensitive and depends on how 'in development' and 'infectious disease mRNA vaccine' are defined. Public sources show dozens of mRNA infectious-disease programs across multiple companies, but I cannot confirm the exact total of 51 without a clear date and counting method.

Why this verdict

  • The statement gives a precise numeric count (51) that is time-sensitive and depends on how 'in development' and 'infectious disease mRNA vaccine' are defined.
  • Public sources show dozens of mRNA infectious-disease programs across multiple companies, but I cannot confirm the exact total of 51 without a clear date and counting method.

Claims checked

51 infectious disease mRNA vaccines are currently in development

Can’t verify60%
Available public pipelines and reviews list many (dozens) of infectious-disease mRNA candidates from Moderna, Pfizer/BioNTech, others, but I cannot find a reputable source that enumerates exactly 51 at a specific date; totals vary by data source and definition.

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