We sequenced the 29,751-base genome of the severe acute respiratory syndrome (SARS)–associated
coronavirus known as the Tor2 isolate. The genome sequence reveals that this …

To determine the frequency and risk factors for female to male sexual transmission of human
immunodeficiency virus type 1 (HIV-1), a prospective study was carried out in 422 men who …

Background Severe acute respiratory syndrome (SARS) is a condition of unknown cause
that has recently been recognized in patients in Asia, North America, and Europe. This report …

Background An outbreak of tuberculosis occurred over a 3-year period in a medium-size
community in British Columbia, Canada. The results of mycobacterial interspersed repetitive unit…

Many infectious diseases spread through populations via the networks formed by physical
contacts among individuals. The patterns of these contacts tend to be highly heterogeneous. …

Sexually transmitted Chlamydia trachomatis infections are a serious public-health problem.
With more than 90 million new cases occurring annually, C. trachomatis is the most common …

… Reforming Pharmacy Benefit Managers — A Review of Bipartisan Legislation C. Cai et al. …
gonorrhoeae or C. trachomatis. Sexually transmitted Mycoplasma genitalium has been …

Up to 70% of cases of pelvic inflammatory disease do not have a known cause. We recruited
115 women who had presented to a clinic for sexually transmitted diseases in Nairobi, …

Among 100 randomly selected nonmenstruating women attending a clinic for sexually
transmitted diseases, we assessed objective criteria for the clinical diagnosis of mucopurulent …

Background In late spring 2009, concern was raised in Canada that prior vaccination with the
2008–09 trivalent inactivated influenza vaccine (TIV) was associated with increased risk of …