Volume 7, Number 7—June 2001
THEME ISSUE
International Conference on Emerging Infectious Diseases 2000
Conference Presentations
Epidemiology, Evolution, and Future of the HIV/AIDS Pandemic
Bruce R. Levin*
, J. J. Bull†, and Frank M. Stewart‡
, J. J. Bull†, and Frank M. Stewart‡
Table 1
Stages in the age of infection (AoI) model used in this investigation
| Duration | New | Death | ||
|---|---|---|---|---|
| Stage | Characteristics | (weeks) | infectionsa | rate |
| 0 | Establishment: virus enters and colonizes host | L0 | 0 | 0 |
| 1 | Primary infection: virus proliferates to high densities; the host seroconverts, which causes an abrupt decline in the titer of circulating virus | L1 | R1 | 0 |
| 2 | Asymptomatic: circulating virus remains at low levels, and disease symptoms are absent | L2 | R2 | 0 |
| 3 | AIDS | L3 | R3 | 100% at end |
aTotal number of new infections produced by persons in this stage.
Page created: April 27, 2012
Page updated: April 27, 2012
Page reviewed: April 27, 2012
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.