Outbreak ofSalmonella javianaInfection at a Children's Hospital

Abstract

Objective.To determine the source of an outbreak of Salmonella javiana infection.Design.Case-control study.Participants.A total of 101 culture-confirmed cases and 540 epidemiologically linked cases were detected between May 26, 2003, and June 16, 2003, in hospital employees, patients, and visitors. Asymptomatic employees who had eaten in the hospital cafeteria between May 30 and June 4, 2003, and had had no gastroenteritis symptoms after May 1, 2003, were chosen as control subjects.Setting.A 235-bed academic tertiary care children's hospital.Results.Isolates from 100 of 101 culture-confirmed cases had identical pulsed-field gel electrophoresis patterns. A foodhandler with symptoms of gastroenteritis was the presumed index subject. In multivariate analysis, case subjects were more likely than control subjects to have consumed items from the salad bar (adjusted odds ratio [aOR], 5.3; 95% confidence interval [CI], 2.3-12.1) and to have eaten in the cafeteria on May 28 (aOR, 9.4; 95% CI, 1.8-49.5), May 30 (aOR, 3.6; 95% CI, 1.0-12.7), and/or June 3 (aOR, 4.0; 95% CI, 1.4-11.3).Conclusions.Foodhandlers who worked while they had symptoms of gastroenteritis likely contributed to the propagation of the outbreak. This large outbreak was rapidly controlled through the use of an incident command center.

Serovars and antimicrobial resistance of non‐typhoidal Salmonella isolated from non‐diarrhoeic dogs in Grenada, West Indies

“…This serovar has a low infectious dose and possesses several virulence genes and plasmids that can contribute to large salmonellosis outbreaks in humans (Elward et al . ; Mezal et al . ).…”

“…It is also widespread in shelter dogs in Texas, United States (Leahy et al 2016). This serovar has a low infectious dose and possesses several virulence genes and plasmids that can contribute to large salmonellosis outbreaks in humans (Elward et al 2006;Mezal et al 2013).…”

Detection and functionality of the CdtB, PltA, and PltB fromSalmonella entericaserovar Javiana

“…A variety of food products have been described as vehicles transmitting Salmonella infections to humans through the gastrointestinal tract, causing acute gastrointestinal illnesses, such as gastroenteritis, organ focal infection, and systemic febrile infection (Swamy et al, 1996). These food products include beef, poultry, pork, eggs, cheese, seafood, fruits, and vegetables (Threlfall, 2002;Angulo et al, 2004;Srikantiah et al, 2004;Elward et al, 2006;Khan et al, 2006Khan et al, , 2007Khan et al, , 2009Ponce et al, 2008;, 2012Mezal et al, 2013Mezal et al, , 2014. According to the CDC (CDC, 2009), S. Javiana accounts for 3.7% of nontyphoidal Salmonella cases in the United States each year, mainly in July, August and September.…”

Frequency and Correlation of Some Enteric Indicator Bacteria and Salmonella in Ready‐to‐Eat Raw Vegetable Salads from Mexican Restaurants

“…In many countries, foodborne disease outbreaks originating in prepared raw green vegetable salads (ready‐to‐eat foods [RTEF]) were more likely to occur on commercial food service premises than outbreaks from other sources, with restaurants and hotels accounting for almost 75% of outbreaks (Little and Gillespie ). Several outbreaks have been associated with consumption of the products from salad bars (Jackson and others ; Elward and others ; Kimura and others ). RTEF include different types of food products that can be categorized in various ways (FAO/WHO ).…”