Volume 13, Number 9—September 2007
Research
Detecting Human-to-Human Transmission of Avian Influenza A (H5N1)
Table
Category | Parameter/data | Required* |
---|---|---|
Entire outbreak | Outbreak begin date | X |
Outbreak end date | X | |
Latent/incubation period, d† | X | |
Infectious period, d† | X | |
All persons | Neighborhood of residence | X |
Household of residence | X | |
Sex | X | |
Age, y | X | |
Case status (yes or no) | X | |
Case-patients | Whether outbreak index case-patient (yes or no) | X |
Date of illness onset | X | |
Outcome (recovered, died, or don’t know/still ill) | X | |
Date of outcome | X | |
Dates of hospitalization | O | |
Period of receiving treatment (dates) | O | |
Non–case-patients | Dates of hospitalization | O |
Period of prophylactic treatment (dates) | O | |
Inter-residence visits | Identifier for visiting person | X |
Neighborhood visited | X | |
Household visited | X | |
Dates of the visit | X | |
Analysis parameters | End of exposure to the common source of infection (date) | X |
Final day of observation (date) | X | |
R0 estimation | Mean no. residents per household | X‡ |
Mean no. community contacts per person/d | X‡ |
*X, required; O, optional; R0, basic reproduction number.
†The user defines the distribution of this period, including the minimum and maximum length of the period.
‡Required to estimate R0.
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