About this trial
The study aims to characterize the distributive pattern of viruses in upper airway and its relationship with influenza seasons, symptomatology and exposure setting. A total of 500 adults residing in Hong Kong would be recruited, who would complete a questionnaire and return self-collected nasal and throat swabs for metagenomic analyses.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
adults normally residing in Hong Kong
could communicate in English and/or Chinese
provision of consent
Disqualifiers
individuals with mental illness
prisoners
Trial population
Subjects would be invited by post through randomly selected households throughout the territory of Hong Kong.
Trial design
Case-only
Prospective
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Positive identification of viruses
Proportion of specimens with identified respiratory virus taxa
Sponsors and contacts
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