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Volume 3, Number 3—September 1997

Synopsis

Using a Mathematical Model to Evaluate the Efficacy of TB Control Measures

Laura Gammaitoni and Maria Clara NucciComments to Author 
Author affiliations: University of Perugia, Perugia, Italy

Main Article

Table 3

Nosocomial TB outbreaks involving health-care workers under normal working conditions

Pulmonary ventilation
p (m3/min) Room volume
V (m3) No. of susceptible persons So
No. of uninfected persons
Exposure time
t (days) Infection
rate
q (qpm) Disinfection rate
C (ACH)
Initial period 10-2 200a 25 18 75 0.006 6
Early follow-up period 6 x 10-3b 200a 17 14 135 0.003 6

aEstimated value; actual data are not available.
bSurgical masks were adopted.

Main Article

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