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Human metapneumovirus in Southern Brazil
Gregianini, Tatiana Schäffer; Seadi, Claudete Farina; Menegolla, Ivone; Martins, Letícia Garay; Ikuta, Nilo; Wolf, Jonas Michel; Lunge, Vagner Ricardo.
  • Gregianini, Tatiana Schäffer; Secretaria de Saúde do Estado do Rio Grande do Sul. Laboratório Central do Estado do Rio Grande do Sul. Porto Alegre. BR
  • Seadi, Claudete Farina; Secretaria de Saúde do Estado do Rio Grande do Sul. Laboratório Central do Estado do Rio Grande do Sul. Porto Alegre. BR
  • Menegolla, Ivone; Secretaria de Saúde do Estado do Rio Grande do Sul. Laboratório Central do Estado do Rio Grande do Sul. Porto Alegre. BR
  • Martins, Letícia Garay; Secretaria de Saúde do Estado do Rio Grande do Sul. Laboratório Central do Estado do Rio Grande do Sul. Porto Alegre. BR
  • Ikuta, Nilo; Secretaria de Saúde do Estado do Rio Grande do Sul. Laboratório Central do Estado do Rio Grande do Sul. Porto Alegre. BR
  • Wolf, Jonas Michel; Secretaria de Saúde do Estado do Rio Grande do Sul. Laboratório Central do Estado do Rio Grande do Sul. Porto Alegre. BR
  • Lunge, Vagner Ricardo; Secretaria de Saúde do Estado do Rio Grande do Sul. Laboratório Central do Estado do Rio Grande do Sul. Porto Alegre. BR
Rev. Soc. Bras. Med. Trop ; 51(1): 30-38, Jan.-Feb. 2018. tab, graf
Article in English | LILACS, ColecionaSUS, CONASS, SES-RS | ID: biblio-897050
Responsible library: BR1618.1
ABSTRACT
INTRODUCTION Infections caused by respiratory viruses are important problems worldwide, especially in children. Human metapneumovirus (hMPV) is a respiratory pathogen and causes severe infections with nonspecific symptoms. This study reports the hMPV occurrence and dissemination in southern Brazil and compares the frequency of occurrence of this virus and the human respiratory syncytial virus (hRSV) in the epidemiological weeks in a three-year period (2009-2011).

METHODS:

In total, 545 nasopharyngeal (NP) specimens from individuals with Severe Acute Respiratory Syndrome (SARS) who were negative for other seven respiratory viruses were analyzed for the presence of hMPV. Human metapneumovirus was detected by direct immunofluorescence and real-time reverse transcription polymerase chain reaction.

RESULTS:

hMPV was detected in 109 patients from the main geographic regions of the southernmost state of Brazil, presenting similar overall prevalence in males (46.8%) and females (53.2%). Among children who were less than six years old, hMPV was detected in 99 samples of all age groups, with a higher frequency in infants who were less than one year old (45.7%) compared to all other age groups until six years. hMPV and hRSV infection occurred in almost the same epidemiological weeks (EWs) of each year, with peaks of incidence between EW 31/37 and EW 26/38 for the years 2009 and 2011, respectively. hMPV was further detected in several cases of SARS and it was the only virus detected in three deaths. CONCLUSIONS These findings indicate that hMPV is in circulation in southern Brazil and highlight the importance of diagnosing hMPV for influenza-like illness in the population. (AU)
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Respiratory Tract Infections / Respiratory Syncytial Virus Infections / Metapneumovirus / Epidemiological Monitoring Limits: Adolescent / Adult / Aged / Child / Child, preschool / Female / Humans / Infant / Male / Infant, Newborn Country/Region as subject: South America / Brazil Language: English Journal: Rev. Soc. Bras. Med. Trop Year: 2018 Type: Article Institution/Affiliation country: Secretaria de Saúde do Estado do Rio Grande do Sul/BR

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Full text: Available Index: LILACS (Americas) Main subject: Respiratory Tract Infections / Respiratory Syncytial Virus Infections / Metapneumovirus / Epidemiological Monitoring Limits: Adolescent / Adult / Aged / Child / Child, preschool / Female / Humans / Infant / Male / Infant, Newborn Country/Region as subject: South America / Brazil Language: English Journal: Rev. Soc. Bras. Med. Trop Year: 2018 Type: Article Institution/Affiliation country: Secretaria de Saúde do Estado do Rio Grande do Sul/BR