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J Infect Dis ; 226(12): 2105-2112, 2022 12 13.
Artigo em Inglês | MEDLINE | ID: mdl-36214778

RESUMO

BACKGROUND: The British Antarctic bases offer a semiclosed environment for assessing the transmission and persistence of seasonal respiratory viruses. METHODS: Weekly swabbing was performed for respiratory pathogen surveillance (including SARS-CoV-2), at 2 British Antarctic Survey bases, during 2020: King Edward Point (KEP, 30 June to 29 September, 9 participants, 124 swabs) and Rothera (9 May to 6 June, 27 participants, 127 swabs). Symptom questionnaires were collected for any newly symptomatic cases that presented during this weekly swabbing period. RESULTS: At KEP, swabs tested positive for non-SARS-CoV-2 seasonal coronavirus (2), adenovirus (1), parainfluenza 3 (1), and respiratory syncytial virus B (1). At Rothera, swabs tested positive for non-SARS-CoV-2 seasonal coronavirus (3), adenovirus (2), parainfluenza 4 (1), and human metapneumovirus (1). All bacterial agents identified were considered to be colonizers and not pathogenic. CONCLUSIONS: At KEP, the timeline indicated that the parainfluenza 3 and adenovirus infections could have been linked to some of the symptomatic cases that presented. For the other viruses, the only other possible sources were the visiting ship crew members. At Rothera, the single symptomatic case presented too early for this to be linked to the subsequent viral detections, and the only other possible source could have been a single nonparticipating staff member.


Assuntos
Infecções por Adenoviridae , COVID-19 , Infecções por Paramyxoviridae , Infecções Respiratórias , Vírus , Humanos , COVID-19/epidemiologia , Pandemias , SARS-CoV-2 , Estudos Prospectivos , Regiões Antárticas , Infecções por Paramyxoviridae/epidemiologia , Inquéritos e Questionários
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