Influenza virus type/subtype and different infection profiles by age group during 2017/2018 season

Autor: Guiomar, Raquel, Pechirra, Pedro, Cristóvão, Paula, Costa, Inês, Conde, Patrícia, Côrte-Real, Rita, Branquinho, Paula, Garcia, David, Conde, Sílvia, Rodrigues, Fernando, Pereira-Vaz, João, Alves, José, Freitas, Ludivina, Mota Vieira, Luísa, Cabral Veloso, Rita, Bruges Armas, Jácome, Couto, Ana Rita, Ribeiro, Carlos, Barreto, Rosário, Cunha, Mário, Martins, Luís, Almeida, Sofia, Peres, Maria João, Viseu, Regina, Mota, Paula, Lopes, Paulo, Soares, Vânia, Vale, Fátima, Fonseca, Patrícia, Toscano, Cristina, Dias, Ana
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Popis: DDI-INSA em colaboração com a Rede Portuguesa de Laboratórios para o Diagnóstico da Gripe Background: Influenza has a major impact in hospitalization during each influenza season. We analysed the influenza type/subtype distribution by age group and medical care wards (ambulatory, hospital, intensive care unit). Material and Methods: During 2017/2018 season, 14 hospitals from Portugal mainland and Atlantic Island (Azores and Madeira) reported to the National Influenza Centre 13747 cases of respiratory infection, all tested for influenza type and/or subtype. Epidemiological data: age, sample collection, hospital dwelling service and patient outcome were reported. Results: From the 13747 reported cases, 3717(27%) were influenza positive of which 2033 (55%) were influenza B, 722 (19%) A unsubtyped, 505 (14%) AH3, 442 (12%) AH1pdm09 and 15(0,1%) mixed infections. Influenza A was detected in 71% (204/208) of toddlers(
Databáze: OpenAIRE