Vinod Kumar Tohani

Learn More
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(More)
During a recent epidemic of measles in the Southern Health and Social Services Board in Northern Ireland it became apparent that the level of notifications of measles by general practitioners did not reflect the true incidence of the disease at that time. In trying to establish a more accurate measure of the incidence of measles it became clear that much(More)
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(More)
INTRODUCTION The fitness of water supplies for public consumption may be assured by minimal treatment where high purity sources are available. Aluminium sulphate is used in the coagulation process forming a floc which acts as a filter for the removal of finer particles. The presence of a high concentration of aluminium sulphate in the water supply lowers(More)
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(More)
During a measles outbreak in Northern Ireland (between October 1988 and March 1989) it was noted that a proportion of cases had occurred in children who had previously been vaccinated against measles. A study was, therefore, set up to provide a rapid estimate of vaccine efficacy. Vaccine efficacy was calculated to be 94% (95% confidence limits, 91% to 96%).(More)