Keywords
measles surveillance
measles virus genotype
How to Cite
Abstract
Owing to the efficient strategies for measles virus (MV) surveillance in São Paulo State, Brazil, no circulation of native measles virus was registered during the period from 2001 to 2007. In Sao Paulo State the imported measles cases were registered, being one in 2001, one in 2002, and in 2005 an unvaccinated 18-month-old child presenting fever and exanthema admitted to a private hospital was the target of epidemiological study. The Center of Epidemiological Surveillance found out that a brother of this child had had a similar disease one week before. The measles virus infection was confirmed at Adolfo Lutz Institute by detecting the MV-specific IgM antibody, by virus isolation on Vero/hSLAM cells culture, and by means of MV-RNA amplification on RT-PCR technique. A region of nucleoprotein gene from isolated virus was amplified. The phylogenetic analysis data showed that the isolated virus corresponded to genotype D5. This genotype circulates in the Asian continent, and it had circulated before in Sao Paulo State.References
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