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the claim
A person can contract dengue fever only once in their lifetime.
the verdict
REFUTED
the evidence says no
Recorded sources
0 sources for · 2 against
Is it true that a person can contract dengue fever only once in their lifetime?
No. Because dengue fever has four distinct serotypes, infection with one provides lifelong immunity only to that specific serotype, meaning a person can be infected with dengue up to four times in their lifetime.
Verdict: REFUTED · 0 sources for, 2 against · Last checked
How claims like this are judged
Judged against fact-checker rulings and reference works: claims of this kind are settled by the fact-checking record, not journal abstracts.
Evidence against · 2
Mentions that thinking a healthy person cannot be infected more than once in a lifetime is incorrect.
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PLOS (all journals): Different domains of dengue research in the Philippines: A systematic review and meta-analysis of questionnaire-based studies. (n.d.). PLOS (all journals). https://doi.org/10.1371/journal.pone.0261412
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More against · 1
States that infection confers immunity only to the infecting serotype, so a person can be infected up to four times.
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Semantic Scholar peS2o: Dengue Prevention and 35 Years of Vector Control in Singapore. (n.d.). Semantic Scholar peS2o. https://doi.org/10.3201/10.3201/eid1206.051210
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