The DOI matches its Crossref record.
Estimates of the Prevalence of Pandemic (H1N1) 2009, United States, April–July 2009
Open accessAbstract
Through July 2009, a total of 43,677 laboratory-confirmed cases of influenza A pandemic (H1N1) 2009 were reported in the United States, which is likely a substantial underestimate of the true number. Correcting for under-ascertainment using a multiplier model, we estimate that 1.8 million-5.7 million cases occurred, including 9,000-21,000 hospitalizations.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cited by
Critically Ill Children During the 2009–2010 Influenza Pandemic in the United States
Randolph, A. G., Vaughn, F., Sullivan, R., Rubinson, L., Thompson, B. T., Yoon, G., Smoot, E., Rice, T. W., Loftis, L. L., Helfaer, M., et al. (2011) · Pediatrics · doi:10.1542/peds.2011-0774 · Cited by 222
Identifying the interaction between influenza and pneumococcal pneumonia using incidence data.
Shrestha, S., Foxman, B., Weinberger, D. M., Steiner, C., Viboud, C., & Rohani, P. (2013) · Science Translational Medicine · doi:10.1126/scitranslmed.3005982 · Cited by 148
Charu, V., Chowell, G., Palacio Mejia, L. S., Echevarría-Zuno, S., Borja-Aburto, V. H., Simonsen, L., Miller, M. A., & Viboud, C. (2011) · Clinical Infectious Diseases · doi:10.1093/cid/cir644 · Cited by 110
López Pineda, A., Ye, Y., Visweswaran, S., Cooper, G. F., Wagner, M. M., & Tsui, F. (. (2015) · Journal of Biomedical Informatics · doi:10.1016/j.jbi.2015.08.019 · Cited by 88
Lau, D., Eurich, D. T., Majumdar, S. R., Katz, A., & Johnson, J. A. (2014) · Diabetologia · doi:10.1007/s00125-013-3158-8 · Cited by 41
Metadata
- Authors
- Reed, C., Angulo, F. J., Swerdlow, D. L., Lipsitch, M., Meltzer, M. I., Jernigan, D., & Finelli, L.
- Venue
- Emerging Infectious Diseases
- Published
- 2009-12
- Volume
- 15
- Issue
- 12
- Pages
- 2004-2007
- ISSN
- 1080-6040 (ISSN-L)
- 1080-6059
- OpenAlex
- W1991892174
- Cited by
- 357
- References
- 0
- FWCI
- 33.52
- Type
- journal article
- Language
- en
- Open access
- diamond
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: Estimates of the Prevalence of Pandemic (H1N1) 2009, United States, April–July 2009. https://app.cochat.ai/papers/10.3201/eid1512.091413
- The paper
- Reed, C., Angulo, F. J., Swerdlow, D. L., Lipsitch, M., Meltzer, M. I., Jernigan, D., & Finelli, L. (2009). Estimates of the Prevalence of Pandemic (H1N1) 2009, United States, April–July 2009. Emerging Infectious Diseases. https://doi.org/10.3201/eid1512.091413
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
