Investigation of an outbreak of Salmonella enterica serovar Newport infection.

A large outbreak of Salmonella enterica serotype Newport infection occurred in Northern Ireland during September and October 2004. Typing of isolates from patients confirmed that this strain was indistinguishable from that in concurrent outbreaks in regions of England, in Scotland and in the Isle of Man. A total of 130 cases were distributed unequally across local government district areas in Northern Ireland.

Risk factors for sporadic Campylobacter infection: an all-Ireland case-control study.

We report the findings of the first case-control study conducted in both the Republic of Ireland and Northern Ireland to determine risk factors for sporadic Campylobacter infections. A total of 197 cases and 296 case-nominated controls matched for age, were included. Based on Population Attributable Fraction (PAF), the most important risk factors were consuming chicken [adjusted matched (am) OR 6.

Mumps outbreak among young people in Northern Ireland.

An outbreak of mumps occurred in the Mid-Ulster area of Northern Ireland between 1st November 1999 and 31st August 2000, with 729 cases notified. Salivary test results were obtained for 430 (59%) reported cases, of which 332 (77%) were positive for mumps IgM antibody. Three hundred and sixteen (95.

Haemophilus influenzae type b (Hib) vaccination and uptake predictors in Northern Ireland.

In order to study selected factors affecting the uptake of Haemophilus influenzae type b (Hib) vaccine a case control study was undertaken in residents of the Southern Health and Social Services Board in Northern Ireland. Standard data from the child health computer system were used. Residents in the catchment area of the health board born between 1 January and 30 June 1993 were defined as cases (unvaccinated) and controls (vaccinated).