Acquisition of respiratory viruses and presence of respiratory symptoms in French pilgrims during the 2016 Hajj: A prospective cohort study

Viral respiratory tract infections are frequent among Hajj pilgrims. However, it is still not known whether viruses are responsible for the symptoms observed in sick pilgrims or whether they only colonize sick and asymptomatic pilgrims. A prospective cohort study was conducted among French Hajj pilg...

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Bibliographic Details
Published in:Travel medicine and infectious disease 2019-07, Vol.30, p.32-38
Main Authors: Hoang, Van-Thuan, Sow, Doudou, Dogue, Fabiola, Edouard, Sophie, Drali, Tassadit, Yezli, Saber, Alotaibi, Badriah, Raoult, Didier, Parola, Philippe, Pommier de Santi, Vincent, Gautret, Philippe
Format: Article
Language:English
Subjects:
Adenoviruses
Adult
Aged
Aged, 80 and over
Asymptomatic
Bacteriology
Cardiology and cardiovascular system
Cohort analysis
Cohort Studies
Coronaviruses
Emerging diseases
Female
France
Hajj
Human health and pathology
Humans
Immunization
Infectious diseases
Influenza
Islam
Life Sciences
Male
Mass gathering
Microbiology and Parasitology
Middle Aged
Parasitology
PCR
Respiratory tract
Respiratory tract infection
Respiratory Tract Infections - epidemiology
Respiratory Tract Infections - pathology
Respiratory Tract Infections - virology
Saudi Arabia - epidemiology
Travel
Travel - statistics & numerical data
Travel medicine
Virology
Virus Diseases - epidemiology
Virus Diseases - pathology
Viruses
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Summary:Viral respiratory tract infections are frequent among Hajj pilgrims. However, it is still not known whether viruses are responsible for the symptoms observed in sick pilgrims or whether they only colonize sick and asymptomatic pilgrims. A prospective cohort study was conducted among French Hajj pilgrims in 2016. Medical follow-up and systematic nasal swabbing were performed pre- and post-Hajj. Additional samples were obtained per-Hajj, at symptom onset in ill pilgrims. Viruses were identified using the BioFire FilmArray® Respiratory multiplex qualitative PCR panel. 109 pilgrims were included. 83.5% presented respiratory symptoms during Hajj and 39.5% were still symptomatic on return. 5.5% of pre-Hajj, 95.2% of per-Hajj (at symptom onset) and 46.5% of post-Hajj samples tested positive (p 
ISSN:1477-8939
1873-0442
DOI:10.1016/j.tmaid.2019.03.003