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the claim

Two doses of the MMR vaccine are about 97 percent effective at preventing measles.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
6 sources for · 1 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that two doses of the MMR vaccine are about 97 percent effective at preventing measles?

Yes. Multiple sources, including the CDC and reference works, state that two doses of MMR vaccine are 97 percent effective at preventing measles. One popular reference book instead attributes 93 percent to measles and 97 percent to rubella, but the weight of the placed sources matches the claim.

Verdict: SUPPORTED · 6 sources for, 1 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 6
MMR vaccine
Get citation
MMR vaccine. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/MMR_vaccine

Evidence against · 1
Epidemiology For Dummies
2023
Get citation
Mitra, A. K. (2023). Epidemiology For Dummies. play.google.com. https://play.google.com/store/books/details?id=D26yEAAAQBAJ&source=gbs_api

See more details
More for · 5
Two Doses of Measles Mumps Rubella (MMR) Vaccine
1989
Get citation
Kuno‐Sakai, H., Ozaki, K., & Kimura, M. (1989). Two Doses of Measles Mumps Rubella (MMR) Vaccine. doi.org. https://doi.org/10.1111/j.1442-200x.1989.tb01381.x

Measles Vaccine Recommendations | Measles (Rubeola) | CDC
Get citation
Measles Vaccine Recommendations | Measles (Rubeola) | CDC. (n.d.). cdc.gov. https://www.cdc.gov/measles/hcp/vaccine-considerations/index.html

What You Need to Know about Measles
2022
Get citation
Clayton-LeVasseur, P. (2022). What You Need to Know about Measles. play.google.com. https://play.google.com/store/books/details?id=KHbDEAAAQBAJ&source=gbs_api

Measles resurgence in the United States
Get citation
Measles resurgence in the United States. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Measles_resurgence_in_the_United_States

Measles - a disease that should be a thing of the past, but returns
2019
Get citation
Głowacka, K. & Fabian-Danielewska, A. (2019). Measles - a disease that should be a thing of the past, but returns. doi.org. https://doi.org/10.5281/zenodo.2652660

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