In HIV-1-infected men who are receiving highly active antiretroviral therapy and who have no detectable levels of viral RNA in plasma the virus may be present in seminal cells and therefore may be capable of being transmitted sexually.

No abstract

Extensive contamination of environmental surfaces may play a role in prolonged norovirus outbreaks and should be addressed in control interventions.

No abstract

Persistent gastrointestinal colonization with VRE is common among pediatric oncology patients. Carriage of the same VRE clone for up to 1 year was demonstrated. In the majority of cases invasive and colonizing isolates were identical by DNA fingerprinting techniques, suggesting that the colonizing VRE was the source of infection. Intermittent excretion of organisms in stool makes vigilant tracking and immediate isolation of such patients crucial to control efforts. Prolonged neutropenia may increase the risk of developing clinical infection among VRE-colonized patients.