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Observational analysis compares PCR and IgM testing efficacy in diagnosing Crimean-Congo hemorrhagic fever, indicating optimal timing for each test.
The gold standard for CCHF diagnosis is PCR testing within the first 15 days of illness, while anti-CCHF IgM testing becomes useful from day 5 onwards.
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Akef et al. (2026) studied this question.
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