Paul Anath Tambyah

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Catheter-associated urinary tract infection (CAUTI) is the most common nosocomial infection. Each year, more than 1 million patients in U.S. acute-care hospitals and extended-care facilities acquire such an infection; the risk with short-term catheterization is 5% per day. CAUTI is the second most common cause of nosocomial bloodstream infection, and(More)
Tropical cities such as Singapore do not have well-defined influenza seasons but have not been spared from influenza pandemics. The 1918 epidemic in Singapore, which was then already a major global trading hub, occurred in 2 waves, June-July, and October-November, and resulted in > or = 2,870 deaths. The excess mortality rate was higher than that for(More)
9. da Silva AK, Le Saux JC, Parnaudeau S, Pommepuy M, Elimelech M, Le Guyader FS. Evaluation of removal of noroviruses during wastewater treatament, using real time RT-PCR: different behaviors of genogroups I and II. Appl Environ Microbiol. 2007;73:7891–7. DOI: 10.1128/ AEM.01428-07 10. Lees D. Virus and bivalve shellfi sh. Int J Food Microbiol.(More)
BACKGROUND between 1998 and 1999, an outbreak of potentially fatal viral encephalitis erupted among pig farm workers in West Malaysia, and later spread to Singapore where abattoir workers were afflicted. Although Japanese encephalitis virus was initially suspected, the predominant aetiologic agent was subsequently confirmed to be Nipah virus, a novel(More)
BACKGROUND Adoption of the objective structured clinical examination may be hindered by shortages of clinicians within a specialty. Clinicians from other specialties should be considered as alternative, non-expert examiners. AIMS We assessed the inter-rater agreement between expert and non-expert clinician examiners in an integrated objective structured(More)
Tumor markers play an important role in the assessment of patients with some types of malignant tumors. We studied the effects of dialysis and transplantation on the serum levels of five tumor markers; alpha-fetoprotein (AFP), carcino-embryonic antigen (CEA), cancer antigen-125 (CA-125), cancer antigen-19.9 (CA-19.9), and prostate specific antigen (PSA).(More)
Empyema is a problem faced by clinicians worldwide. Most cases are caused by Gram-positive organisms, such as streptococci and staphylococci. Empyema caused by Capnocytophaga spp. is extremely uncommon (H. Bonatti et al., Clin. Microbiol. Infect. 9:380-387, 2003). We present a unique case of a polymicrobial empyema, with a predominance of Capnocytophaga(More)
BACKGROUND In December 2009, the World Health Organization (WHO) issued updated guidelines on the prevention of H1N1 influenza virus in healthcare settings. In 2010, the WHO pandemic influenza alert level was still at phase 6. AIM To study the practice of infection control measures during the 2009 influenza H1N1 pandemic among healthcare workers (HCWs) in(More)