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High prevalence of human bocavirus 1 in infants with lower acute respiratory tract disease in Argentina, 2007 - 2009
Ghietto, Lucía María; Cámara, Alicia; Zhou, Yumei; Pedranti, Mauro; Ferreyra, Silvia; Frey, Teryl; Cámara, Jorge; Adamo, Maria Pilar.
  • Ghietto, Lucía María; Universidad Nacional de Córdoba. Medical School. Instituto de Virología Dr. J.M. Vanella.
  • Cámara, Alicia; Universidad Nacional de Córdoba. Medical School. Instituto de Virología Dr. J.M. Vanella.
  • Zhou, Yumei; Georgia State University. Department of Biology. Atlanta. US
  • Pedranti, Mauro; Universidad Nacional de Córdoba. Medical School. Instituto de Virología Dr. J.M. Vanella.
  • Ferreyra, Silvia; Hospital Pediátrico de Córdoba. AR
  • Frey, Teryl; Georgia State University. Department of Biology. Atlanta. US
  • Cámara, Jorge; Universidad Nacional de Córdoba. Medical School. Instituto de Virología Dr. J.M. Vanella.
  • Adamo, Maria Pilar; Universidad Nacional de Córdoba. Medical School. Instituto de Virología Dr. J.M. Vanella.
Braz. j. infect. dis ; 16(1): 38-44, Jan.-Feb. 2012. ilus, tab
Article in English | LILACS | ID: lil-614548
ABSTRACT
Human bocavirus (HBoV) is a parvovirus whose association with respiratory disease is currently under investigation.

OBJECTIVE:

To determine HBoV prevalence in children with lower acute respiratory infection.

METHODS:

We investigated HBoV in 433 nasopharyngeal aspirates collected in 2007-2009 from children 0 to 5 years old hospitalized with bronchiolitis or pneumonia in Córdoba, Argentina.

RESULTS:

The general prevalence of HBoV was 21.5 percent and the positive cases (HBoV+) were more frequent during winter and spring. The mean age of HBoV+ patients was 6.9 months, with 87.1 percent of the detections corresponding to infants less than 1 year old (among which the prevalence of HBoV was 26.3 percent in patients < 3 months of age, 22.1 percent in 3 to 6 months, 25.3 percent in 6 to 9 months, and 18.8 percent in 9 to 12 months). The sequence analysis of the NP1 coding region of 15 isolates showed that all isolates from Cordoba were HBoV1 which exhibited a homology of nearly 100 percent both among themselves and with the originally discovered virus from 2005.

CONCLUSION:

Overall, our results indicate that HBoV is a significant pathogen that contributes to acute respiratory infection both on its own and during coinfection with other viruses.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Pneumonia, Viral / Bronchiolitis, Viral / Parvoviridae Infections / Human bocavirus Type of study: Prevalence study / Risk factors Limits: Child, preschool / Female / Humans / Infant / Male / Infant, Newborn Country/Region as subject: South America / Argentina Language: English Journal: Braz. j. infect. dis Journal subject: Communicable Diseases Year: 2012 Type: Article Affiliation country: Argentina / United States Institution/Affiliation country: Georgia State University/US / Hospital Pediátrico de Córdoba/AR

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Full text: Available Index: LILACS (Americas) Main subject: Pneumonia, Viral / Bronchiolitis, Viral / Parvoviridae Infections / Human bocavirus Type of study: Prevalence study / Risk factors Limits: Child, preschool / Female / Humans / Infant / Male / Infant, Newborn Country/Region as subject: South America / Argentina Language: English Journal: Braz. j. infect. dis Journal subject: Communicable Diseases Year: 2012 Type: Article Affiliation country: Argentina / United States Institution/Affiliation country: Georgia State University/US / Hospital Pediátrico de Córdoba/AR