Background Clostridium difficile infection (CDI) can lead to complications, recurrence, and
death. Numerous studies have assessed risk factors for these unfavourable outcomes, but …

Background There is a scarcity of published data on the global prevalence of obstructive
sleep apnoea, a disorder associated with major neurocognitive and cardiovascular sequelae. …

There is a dramatic resurgence of human African trypanosomiasis (HAT) in sub-Saharan
Africa. Tb gambiense is spreading epidemically in large areas of Central Africa, especially the …

Since publication of the Society for Healthcare Epidemiology of America position paper on
Clostridium difficile infection in 1995, significant changes have occurred in the epidemiology …

Background Toxins A and B are the primary virulence factors of Clostridium difficile. Since
2002, an epidemic of C difficile-associated disease with increased morbidity and mortality has …

Background: Recent reports suggest that Clostridium difficile colitis may be evolving into a
more severe disease. During the second half of 2002 we noted an increase in the number of …

Background . Since 2002, an epidemic of Clostridium difficile–associated-diarrhea (CDAD)
associated with a high case-fatality rate has involved >30 hospitals in the province of Quebec…

Thirty years after the discovery of HIV-1, the early transmission, dissemination, and establishment
of the virus in human populations remain unclear. Using statistical approaches applied …

Background: Since 2002 an epidemic of Clostridium difficile–associated disease (CDAD)
caused by a hypervirulent toxinotype III ribotype 027 strain has spread to many hospitals in …

Background Clinicians who treat patients with Clostridium difficile–associated diarrhea (CDAD)
in Quebec, Canada, have noted an apparent increase in the proportion of patients who …