St. Louis encephalitis virus infection was detected in summer 2015 in southern California after an 11-year absence, concomitant with an Arizona outbreak. Sequence comparisons showed close identity of California and Arizona isolates with 2005 Argentine isolates, suggesting introduction from South America and underscoring the value of continued arbovirus surveillance.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5189155 | PMC |
http://dx.doi.org/10.3201/eid2212.160805 | DOI Listing |
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