Abstract:
:A surveillance network was implemented by the Istituto Superiore di Sanità of Rome in collaboration with laboratories of virology in Czech Republic, Slovenia, Croatia, Albania, and Bulgaria. About 1,500 rotavirus-positive stool samples were collected from children with severe gastroenteritis admitted to hospitals or outpatient wards between 2004 and 2006. The G and P genotypes were determined by reverse transcription-nested PCR. Significant differences were found in the geographical distributions of rotavirus genotypes between countries participating in the study. The prevalence of "common" G/P combinations, G1P[8], G3P[8], G4P[8], and G2P[4], ranged between 50 and 85%. The G9 genotype, which is emerging worldwide, was identified in 2 to 35% of all samples depending on the country. Unusual combinations, such as G1 or G4 associated with P[4] or G2 with P[8], which may have arisen by reassortment between human strains, were found in samples from 3 to 20% of patients. The uncommon genotypes G8P[8] and G10P[6], which may have an animal origin, were also identified. Double infections with two rotavirus strains were observed in between 1.7 and 14% of cases studied. Our findings might implicate challenges for rotavirus vaccine implementation in a wide geographic area of the Balkans and Central-Eastern Europe and underscore the importance of extensive strain surveillance for success in vaccine development.
journal_name
J Clin Microbioljournal_title
Journal of clinical microbiologyauthors
Tcheremenskaia O,Marucci G,De Petris S,Ruggeri FM,Dovecar D,Sternak SL,Matyasova I,Dhimolea MK,Mladenova Z,Fiore L,Rotavirus Study Group.doi
10.1128/JCM.00484-07subject
Has Abstractpub_date
2007-07-01 00:00:00pages
2197-204issue
7eissn
0095-1137issn
1098-660Xpii
JCM.00484-07journal_volume
45pub_type
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