Hayes S, Nylen G, Smith R, Salmon R L, Palmer S R
PHLS Communicable Disease Surveillance Centre, Wales.
Commun Dis Public Health. 1999 Jan;2(1):66-7.
The prevalence of salmonella contamination in hens' eggs remains high. A case control study of sporadic cases of Salmonella enteritidis infection in Wales in 1997 confirmed the association of infection with consumption of raw or lightly cooked eggs.