Volume 3, Number 3—September 1997
Synopsis
Using a Mathematical Model to Evaluate the Efficacy of TB Control Measures
Laura Gammaitoni and Maria Clara Nucci
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.
Page created: December 21, 2010
Page updated: December 21, 2010
Page reviewed: December 21, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.