The objective of the study is virological assessment (e.g., proportion of prolonged viral shedding, median days to viral clearance, and viral load) in laboratory-confirmed adult influenza patients admitted to the general ward and/or to the ICU and to assess the correlation with the clinical manifestations and prognosis.
Study Type
OBSERVATIONAL
Enrollment
150
Northwestern University
Chicago, Illinois, United States
Westmead Hospital
Westmead, New South Wales, Australia
Royal Adelaide Hospital
Adelaide, South Australia, Australia
North York General Hospital
Toronto, Ontario, Canada
Viral load/Viral shedding
Outcome is the decay rate in viral load during hospital stay measured by quantitative polymerase chain reaction (QPCR)
Time frame: Day 7
Viral load/Viral shedding
Outcome is the decay rate in viral load during hospital stay measured by quantitative polymerase chain reaction (QPCR)
Time frame: Day 9
Viral load/Viral shedding
Outcome is the decay rate in viral load during hospital stay measured by quantitative polymerase chain reaction (QPCR)
Time frame: Day 11
Viral load/Viral shedding
Outcome is the decay rate in viral load during hospital stay measured by quantitative polymerase chain reaction (QPCR)
Time frame: Day 13
Viral load/Viral shedding
Outcome is the decay rate in viral load during hospital stay measured by quantitative polymerase chain reaction (QPCR)
Time frame: Day 15
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Mount Sinai Hospital
Toronto, Ontario, Canada