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  • Title: Cross-reactivity and sensitivity of two Legionella urinary antigen kits, Biotest EIA and Binax NOW, to extracted antigens from various serogroups of L. pneumophila and other Legionella species.
    Author: Okada C, Kura F, Wada A, Inagawa H, Lee GH, Matsushita H.
    Journal: Microbiol Immunol; 2002; 46(1):51-4. PubMed ID: 11911189.
    Abstract:
    Legionella antigen detection kits for diagnosing legionellosis from urine have become widely used, but basic information about reactivity of the kits to non-serogroup (SG) 1 L. pneumophila and other Legionella species remains incomplete. We evaluated Biotest EIA and the most recently developed Binax NOW by using in-vitro extracted antigens of 22 L. pneumophila SG 1 to 15 strains and of 27 other Legionella species. Both kits showed excellent sensitivity to L pneumophila SG 1 antigens, but reacted to different sets of non-SG I L. pneumophila with different sensitivity. No cross-reactivity was observed to Legionella species other than L. pneumophila.
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